Hip! Hip! Hooray! is a musical in two acts with music by Gus Edwards and both lyrics and book by Edgar Smith.^[1]

Hip! Hip! Hooray! was written as a starring vehicle for the comedian Joe Weber. It premiered on Broadway at Weber's Music Hall on October 10, 1907. It ran at that theatre for 64 performances; closing on December 7, 1907.^[2]

The plot takes place at the fictional Doolittle College where two German professors attempt to popularize a new breakfast cereal, "Excited Oats", while simultaneously getting entangled into their own individual romances; one with a widow and the other with a beautiful young woman.^[3]

• Bloom, Ken (1996). "Hip! Hip! Hooray! (1907)". American Song: A-S. Schirmer Books. ISBN 9780028645735.
• Bordman, Gerald Martin; Norton, Richard (2010). American Musical Theatre: A Chronicle. Oxford University Press. ISBN 9780199729708.
• Dietz, Dan (2022). "Hip! Hip! Hooray!". The Complete Book of 1900s Broadway Musicals. Rowman & Littlefield Publishers. ISBN 9781538168943.

• ​Hip! Hip! Hooray!​ at the Internet Broadway Database