From Wikipedia:
Admiral Broadway Revue is an American live television variety show that ran from January 28 to June 3, 1949. The show was broadcast live on Fridays from 8 to 9 pm ET simultaneously on both the NBC and the DuMont networks.
The show was telecast from the since-demolished International Theatre (also known as the Park Theatre) at 5 Columbus Circle in New York. The hour-long series was directed by Max Liebman, hosted by Sid Caesar, and also starred Imogene Coca. Liebman, Caesar, and Coca would go on to work on NBC's Your Show of Shows, which debuted February 25, 1950.
The series was sponsored by TV-set manufacturer Admiral, a competitor of NBC's parent company RCA and of DuMont, both of which manufactured TV sets.
Its final episode aired June 3, 1949.
The Paley Center for Media holds 18 kinescope episodes of the series and the UCLA Film and Television Archive has one episode.