"Out of Limits" is a 1963 surf rock instrumental piece written by Michael Z. Gordon and performed by The Marketts.While on tour with a band called the Routers, Gordon wrote the Marketts’ first release on the Warner Bros. label and their biggest hit, an instrumental called “Outer Limits”. First pressings were issued as "Outer Limits", named after the television program of the same name. The song was a surf variation of that show's theme song.