[citation needed] The Larsen Brothers' father died in 1953, his dream of a place for magicians to gather and swap trade secrets over drinks unrealized.

Larsen was a writer for the classic Ralph Edwards audience participation TV show Truth or Consequences[1](1956–1977) starring Bob Barker.

Larsen also wrote the Malibu U television series (1967) and audience participation shows starring Vin Scully and Jim Nabors.

It's a Small World After All) (Two Academy Awards – eight nominations) Richard M. Sherman and Milt Larsen have been friends and collaborators for more than 60 years.

They wrote the score for a proposed speakeasy nightclub revue in 1957 (Whoopee Kid); it was later produced as a staged radio show (Charlie Sent Me) with a new book by Sherman, Larsen and Roger Rittner and starred veteran actor Buddy Ebsen.

Richard Sherman and Larsen created a satirical record album which has since made the transition to CD: Smash Flops, featuring tongue-in-cheek songs like "Bon Voyage, Titanic", "General Custer", and features "Congratulations Tom Dewey", which was used for the theme song in the stage production Give 'Em Hell, Harry!, a one-man stage play about United States President Harry S. Truman starring James Whitmore, later made into an Emmy Award nominated TV Movie (1975).

They also wrote the comedy classic LP, now a CD, Banned Barbershop Ballads (which includes tunes like "Watch World War Three on Pay TV").

Another CRN weekend show, "Hit Parade Cavalcade", featured Larsen and Sherman saluting the songwriters of "TinPan Alley."

Larsen was also a well known theater historian and owned many important collections including extensive archives of Ed Wynn, Eddie Cantor, Earl Carroll and others.

His collections included books, films, recordings, scripts, orchestrations and sheet music from the early days of the variety theater.