Conversation so far:
What was something interesting Jack Benny did in the period after he returned to Broadway in Earl Carroll's Vanities?
At first dubious about the viability of radio, Jack Benny grew eager to break into the new medium.
What was the Jack Benny program?
Jack Benny had been a minor vaudeville performer before becoming a national figure with The Jack Benny Program, a weekly radio show.
did Jack Benny work with anybody on a radio show program?
In 1932, after a four-week nightclub run, Jack Benny was invited onto Ed Sullivan's radio program.

Question: What did he do with Ed Sullivan
Self-contained rewrite: What did Jack Benny do with Ed Sullivan