Princess Diana (Lynda Carter) volunteers to return Steve Trevor (Lyle Waggoner) to Washington, D.C., after he crashes his airplane on Paradise Island and remains in a coma. Upon arriving in Washington, D.C., she establishes the secret identity of Diana Prince and begins working for Steve Trevor. This Film and Season One are set in World War II. Guest stars John Randolph, Red Buttons, Stella Stevens, Eric Braeden, Severn Darden, Fannie Flagg, Henry Gibson, Kenneth Mars and Cloris Leachman.

The Baroness Paula von Gunther (Christine Belford), an imprisoned Nazi spy, and her crew are framing Steve Trevor, the War Hero, for several incidents of sabotage to make him appear as a traitor, in an attempt to lower the Allies' morale. Trevor suspects the Baroness may be behind his framing. The prison warden's son Tommy, an avid fan of detective fiction, assists Wonder Woman. Having discovered the Baroness' hideout, Wonder Woman is surprised by the Baroness. She sprays Wonder Woman in the face with knock-out gas and Wonder Woman faints. Later, Wonder Woman recovers and after she and Steve Trevor have a fight against the Baroness and her crew, the Baroness is brought to justice. Also guest stars Ed Gilbert, Ed Griffith, Christian Juttner, and Bradford Dillman.

Fausta Grables (Lynda Day George) lures Wonder Woman into a trap. Wonder Woman falls through a false floor where one of Fausta's gang overpowers her with chloroform causing Wonder Woman to faint. The unconscious Wonder Woman is then kidnapped and taken to Germany for study. Steve launches a mission to rescue her but is captured himself shortly after Wonder Woman orchestrates her own escape. Wonder Woman returns to Germany to rescue Steve and convince Fausta to abandon the Nazi cause. Also guest stars Bo Brundin, Colby Chester, Jeff Cooper, Keene Curtis, Bill Fletcher and Christopher George.

Diana enters a beauty contest to expose a sabotage ring of radar scanning equipment, which is led by the pageant's musical director (Bobby Van). Also guest stars Anne Francis, Dick Van Patten and William Lanteau.

The United States Army is about to unveil its first jet fighter the XPJ-1 and the Nazis are determined to steal the plane and study it to build a jet fighter of their own. Meanwhile, Diana's younger sister Drusilla (Debra Winger) arrives from Paradise Island for a visit and gets caught up in the Nazis' plot. Kriegsmarine Captain Radl (John Saxon) also wants to find out the source of feminum, the metal used to make Wonder Woman's bracelets. He kidnaps General Blankenship, who is taking Drusilla for a drive in Washington. Drusilla discovers that she can spin into costume like her sister and turns into Wonder Girl. Wonder Girl tries to rescue the General but Captain Radl chloroforms her. Also guest stars Carolyn Jones, Charles Frank, Paul Shenar and Kurt Kreuger.

Erica Belgard (Gretchen Corbett), an animal behaviour specialist and Nazi agent, abducts a super-strong gorilla named Gargantua from his African jungle home in order to recapture a defecting Nazi agent (John Hillerman) who is in American custody. Erica decides to use the gorilla's strength to defeat and capture Wonder Woman. Also guest stars Robert Loggia and Tom Reese.

Irish terrorist "The Falcon" (Robert Reed) steals a formula designed to produce man-made earthquakes in order to level Washington, DC. Wonder Woman and the formula's inventor must work together to stop him. The Falcon is also carrying the bubonic plague and must be quarantined. Also guest stars Hayden Rorke and Albert Stratton.

Diana and Steve investigate a Nazi plot to flood the American economy with counterfeit $2 bills in order to destabilize the American war effort. The Nazis hatch a long-range plot taking several months to implement, as plastic surgery and vocal training is used to transform two Nazi agents into the Bureau of Engraving and Printing chief (David Cryer) and his fiancée (Barbara Anderson) a waitress and restaurant owner. Also guest stars James Olson and John Howard.

An alien named Andros (Tim O'Connor) arrives on Earth to study it and to convince the intergalactic council that the planet should not be destroyed because of World War II. The American government first suspects Andros of being a Nazi spy and the Nazis want to use Andros's powers for world domination. Wonder Woman and Andros must work together to prove America's intentions are peaceful as he at first is not sure if either side is right (mentioning the internment of "Americans of Japanese descent" in reply to Wonder Woman's charges against the Nazi racial policies). While Andros is exploring the Library of Congress he is stripped of his powers and captured by the Nazis, Wonder Woman tries to save him, but passes out after being hit by gas. The intergalactic council decrees that if Andros is killed the Earth will be destroyed. Also guest stars Kurt Kasznar, Janet MacLachlan and Scott Hylands.

Wonder Woman journeys to Germany to rescue Andros. After seeing that she is prepared to sacrifice her life to save him, and when Steve Trevor demonstrates that the Allied cause is just, the aliens relent on their threat to destroy the planet. Andros invites Wonder Woman to accompany him in space, but she replies that she is needed on Earth. Andros promises to return to see her in 50 years (in 1992). Also guest stars Christopher Cary.

Wonder Woman journeys to Texas where Nazi agents are rustling cattle being raised for the American government. Cattle rancher Hadley (Roy Rogers) and his several adopted war orphan kids try to assist Wonder Woman in her efforts to stop the Nazis. Wonder Woman's magic belt is stolen by the rustlers, who lock her in an abandoned jail cell, the war orphan kids retrieve her belt, then come to her rescue. Also guest stars Henry Darrow and Lance Kerwin.

Wonder Woman and Wonder Girl (Debra Winger) work to stop a Nazi agent turned film producer (Harris Yulin) from taking Steve and several other soldiers back to Germany to put them in a propaganda film that will destroy America's image as a peace-loving country. Also guest stars Robert Hays, Christopher Norris, Charles Cyphers, Alan Bergmann and Carolyn Jones.

More than 30 years after her adventures during World War II, Princess Diana resumes the mantle of Wonder Woman when a plane carrying Steve Trevor Jr. (son of her former associate) lands on Paradise Island. Wonder Woman and Steve must prevent a terrorist from stealing a nuclear power plant and destabilizing all of Latin America. Guest stars Jessica Walter, Fritz Weaver and Bettye Ackerman.

Wonder Woman must stop Nazi war criminals from establishing the Fourth Reich led by a clone of Adolf Hitler. Guest stars Mel Ferrer and Leon Charles.

A Japanese American man (Yuki Shimoda) who had been in an internment camp during World War II blames Wonder Woman for the death of his brother. He has developed telekinetic powers and uses them to try to exact revenge on Wonder Woman. Also guest stars Lew Ayres.

Wonder Woman must decide between conflicting loyalties. If she does her duty as Diana Prince, she will put Paradise Island in danger of becoming a nuclear testing site. Guest stars Charles Cioffi and Beatrice Straight.

Steve gets abducted on his vacation to Los Angeles. After Diana frees him, they discover a vast terrorist plot against world leaders. Guest stars Jayne Kennedy, Burr DeBenning and Arch Johnson.

Rock star Hamlin Rule (Martin Mull) hypnotizes his groupies into robbing the box offices of his concerts. When he hypnotizes the daughter (Eve Plumb) of IADC's Joe Atkinson, Wonder Woman intervenes to free her. Also guest stars Denny Miller.

Diana goes undercover with agent Christian Harrison (John Getz) as a married couple at a spa to investigate leaks of classified information. She discovers that an evil masseur (Henry Darrow) is using his skills to hypnotize the wives of government officials into revealing secrets. Also guest stars Academy Award winner Celeste Holm and Simon Scott.

Diana races against teams of Soviet and Chinese agents to stop Arthur Chapman (Roddy McDowall), an evil scientist who has the ability to cause volcanoes to erupt. Also guest stars Roger Davis, Irene Tsu and Richard Narita.

An alien race called the Skrill come to Earth to steal the minds of humans to be sold into slavery. Andros (Dack Rambo), son of the alien visitor from the 1940s, arrives with orders to capture the Skrill. If he fails, his people will use insanity-inducement procedures upon the Earth to prevent their escape. The Skrill find out Diana Prince is also Wonder Woman. They attack Diana and weaken her until she faints. Andros then saves her. Also guest stars Kristen Larkin and Vincent Van Patten, whose father Dick had appeared in a season one episode.

Wonder Woman and Andros continue to battle the Skrill, who are even more dangerous now that they have deduced Wonder Woman's secret identity and have captured Andros' mind.

An android double of Wonder Woman is built by a toymaker (Frank Gorshin). When she investigates, Diana is injected by a toy butterfly and faints. Later she awakes, then transforms into Wonder Woman, however she is confronted by the android and is knocked unconscious. Also guest stars John Rubinstein and James A. Watson Jr.

Diana Prince goes undercover as a burglar to infiltrate a burglary ring. Guest stars Christopher Stone, Joseph R. Sicari, Bubba Smith, Gary Crosby, Titos Vandis and Greg Morris.

Ruler (Henry Gibson) of a micronation is kidnapping top athletes and then forces them to compete for his country at the Olympic Games. Also guest stars Robert Sampson, Melanie Chartoff, Rick Springfield and E. J. Peaker.

Wonder Woman goes after a magician (Dick Gautier) who has discovered a way to turn lead into gold. Also guest stars Ed Begley, Jr., J. A. Preston, Allen Williams, Aharon Ipalé and Brenda Benet.

Diana is assigned to protect an industrialist (George Chakiris) from an assassination attempt. Also guest stars Joel Fabiani, Jennifer Darling, Lee Bergere and Charles Pierce.

Wonder Woman takes on a man named Bernard Havitol (Ross Martin) who is looking to acquire the memories of the best computers in the world and is looking at IRAC for his next addition. Also guest stars Lee Paul and W.T. Zacha.

Diana poses as a photographer to protect an Air Force test flight from sabotage. Guest Stars Michael Shannon, Corinne Camacho, Alan Fudge, Mitch Vogel and John van Dreelen.

A boy (Todd Lookinland) with astonishing psychic ability is being exploited by his aunt (Kres Mersky) and uncle (Rick Jason) who have been paid to extort world leaders into continuing a bloody war. Also guest stars John Fujioka, Adam Ageli, Jan Ivan Dorin and Hanna Hertelendy.

A janitor (Gary Burghoff) accidentally mixes cleaning supplies creating a powerful explosive. Wonder Woman must protect him from evil-doers who are after the secret formula. Also guest stars Jane Actman, Philip Michael Thomas, Michael Cole and Millie Slavin.

Bad guys impersonate the entire populace of a small town as part of a plot to steal a missile that can be guided by thought. When Wonder Woman finds the gang, she is gassed and faints, being taken prisoner. Guest stars James Luisi, Mark Withers, Warren Stevens, Steve Inwood, Lucille Benson and Hal England.

A teenage boy who's a pop star is kidnapped and no one but Diana believes the only witness, a young fan (Dawn Lyn). The star's manager discovers and substitutes his long-lost identical twin brother to perform a concert and then Wonder Woman rescues the pop star. Also Guest stars Leif Garrett (in a dual role), Michael Lerner, Michael Baseleon and Albert Paulsen.

College football players are being manipulated into throwing their games and Wonder Woman must figure out who is behind the evil plot. Guest stars Ron Ely, Scott Marlowe, Danny Dayton, Marvin Miller, Harvey Jason, Roman Gabriel, Deacon Jones, Lawrence McCutcheon and Eddie Bell. Co-starring Gil Stratton, Bob Minor and Craig T. Nelson.

Wonder Woman investigates a series of robberies that lead her to a faux artist (Roddy McDowall) who uses a device to turn people into living statues to help him commit his crimes. Wonder Woman falls into a trap, is turned into a statue and is exhibited at a museum. Also guest stars Ed Begley, Jr. Joe E. Tata, Michael McGuire, Gavin MacLeod and his wife actress Patti MacLeod.

A telepathic disco dancer (Michael DeLano) is using his powers to steal information from government scientists visiting a Washington, D.C., hot spot. Diana must enlist the aid of another telepath (Paul Sand) to foil the scheme. Also guest stars Ellen Weston, Kerry Sherman, Victor Mohica, Robert Hoy, Russell Johnson and Wolfman Jack as the disco's DJ.

An environmentalist chemist (Lorene Yarnell) is determined to stop a pesticide manufacturer from marketing its latest formula. She creates a formula that gives her superhuman strength and the ability to control ants. Wonder Woman must stop her before she causes a disaster that will release clouds of toxic gas over the city. Also guest stars Robert Alda and Robert Shields.

An unethical scientist (Joan Van Ark) threatens to destroy history when she travels back in time from the 22nd Century (November 10, 2155) with plans to accumulate great wealth in the 20th. Her fellow scientist (Ted Shackelford) teams with Wonder Woman to save the timeline. Also guest stars Allan Miller.

A teenage skateboarding prodigy (Cindy Eilbacher) is manipulated into helping an extortionist (Ron Masak) win at illegal gambling. Also guest stars Eric Braeden, Grace Gaynor, Art Metrano, James Ray and John Reilly.

Diana searches for a dolphin that has been kidnapped by a greedy land developer (Nicolas Coster) in a scheme to contaminate the California coast with oil. She tracks down the land developer and his cronies but is captured, bound and gagged and tossed aboard the land developer's yacht. Diana escapes her bonds and thwarts the land developer's plans. Also guest stars Britt Leach, Albert Popwell, Michael Stroka, Brian Tochi and Penelope Windust.

A woman dressed as Wonder Woman ends up in the hospital after wearing her costume in public. After a failed attempt on the impostor's life, Diana beefs up security, which causes them to catch a friend (John O'Connell) who reveals that the fake Wonder Woman is a model. Her modeling agency is up to no good and hire yet another girl to be Wonder Woman. Diana must stop their plans to steal millions from the rich. Also guest stars Joseph Maher, Kenneth Tigar and Bob Seagren.

Diana travels to England to try to intercept counterfeit printing plates for $100 bills but fails. Meanwhile, a small-time crook (Steve Allie Collura) is stealing gold to buy the plates and hits upon an unlikely source – a leprechaun's pot of gold. Wonder Woman and Pat (Dick O'Neill) the leprechaun team up to track the plates and retrieve Pat's gold. Also guest stars Brian Davies and Arthur Batanides.

A billionaire (John Carradine) tries to regain his health and youth, keeping his brain alive after his death. Wonder Woman must prevent him from having his brain transplanted into the body of a young Olympic hopeful. Also guest stars Floyd Levine, Cathie Shirriff, Erik Stern and Peter Mark Richman.

Diana infiltrates a criminal auction onboard an offshore submarine, putting her true identity at risk of discovery by the others in attendance. Guest stars Bo Brundin, Charlie Brill, Kaz Garas, Milton Selzer, Marc Lawrence, Mako and Hari Rhodes

The race is on to find a hidden laser crystal at a science fiction convention. Guest stars René Auberjonois, Steven Anderson, George Cheung, Candy Brown and Paul L. Smith.

Wonder Woman must find out the truth behind a supposed alien landing before serious consequences occur as a result. She finds the hideout of the people faking the alien invasion but is captured, bound and gagged. A time bomb is set to kill her, but she is saved by a young man searching for his camera. Diana exposes the fake alien invasion and saves the day. Guest stars Tim O'Connor, Jeffrey Byron, James Coleman, Frank Whiteman, David White and Andrew Duggan.

Going undercover to stop extortionists in the record industry has Diana showing off her singing abilities. Guest stars Curtis Credel, Robert Hoy, Sarah Purcell, Judge Reinhold, Martin Speer, Rick Springfield, Danil Torppe, Mike Botts and Katherine Woodville.

A computer-dating service is an unexpected place for a deadly virus vial that's stolen from a government lab. Diana goes undercover to infiltrate. Guest stars Donnelly Rhodes, Carol Vogel, Taaffe O'Connell, John O'Leary, Bob Hastings, Arthur Malet and Hermione Baddeley.

A woman (Jane Actman) with the bizarre jinx-like power to cause accidents around her is exploited by her boyfriend (James Sloyan) to cover up his criminal activities. Also guest stars Ina Balin, Dick Butkus, Charles Haid and Raymond St. Jacques.

Diana travels to a small town where hundreds of people have begun acting strangely under the apparent influence of pyramids from outer space. Skip (Clark Brandon), a boy trying to help Diana with her investigation, discovers that Diana Prince is Wonder Woman. Also guest stars Michael Shannon, John Milford, Tegan West, Lenora May and Bert Remsen.

A teenage boy has discovered Wonder Woman's secret identity after she has come to investigate strange happenings in his town. However, things are not what they appear as the aliens taking over the local citizens are actually hunting down a galactic terror, which leads to a confrontation between Wonder Woman and alien shapeshifter. Wonder Woman uses her magic lasso to make Skip forget her secret but he rediscovers the fact later when he listens to his recorded memos to himself.

On her first day in Los Angeles, Diana encounters an indestructible chimpanzee. This leads her to a scientist (Brian Davies) who through a combination of chemicals and radiation has also made a man, Bryce Candall (Bob Seagren), indestructible. Bryce and Wonder Woman join forces to foil the scientist's plan to create an army of indestructible men to take over the world. Also guest stars Robert Sampson, John Durren, John Aprea, Hal Frederick and James Bond III.

Notes: Wonder Woman again exhibits superhuman hearing. In this episode, the final one in production order, Diana Prince relocates permanently to Los Angeles. Steve Trevor does not appear, and would have been permanently written-out if the show had continued for a 4th season. This was the last episode to be produced for the series, but was shown out of sequence. Wonder Woman wears her red-white-and-blue, star-spangled cape. John Durren, Robert Sampson, Bob Seagren and Brian Davies make another guest appearance.

Searching for the leader (Joseph Sirola) of a foreign spy ring, Diana goes to a Washington amusement park where she encounters a disfigured veteran (Jared Martin) who lives under the roller coaster and "haunts" the park as its "phantom". Also guest stars Marc Alaimo, Ike Eisenmann, Fred Lerner and Craig Littler.