Steve Lawrence sings "I Only Have Eyes For You".
U.S. Army Chorus perform "The Army Goes Rolling Along" and "You Never Walk Alone" with Lawrence.
Liberace plays "The Warsaw Concerto" and "There'll Be No New Tunes On This Old Piano".
Marie McDonald in a parody commercial as a wife doing laundry, sings "Old Devil Moon".
Also: "Where Are They Now?" with Poston as former opera star who sings like a skipping record, Knotts as an ex-track star with women's legs, and Nye as a mobster.
Knotts plays a man who's been awake for eight days. "The Sunday Night Lecture Series" features Dayton Allen in a monologue as a surgeon.
Phil Silvers (cameo) as Sgt. Bilko marches comic soldiers onstage.