Overview: Guests: --Dave Clark Five - ""Catch Us If You Can"" & ""Try Too Hard"" --Alan Sherman (comedian) - sings ""Second Hand Rose,"" ""Hello Mudda, Hello Fadda,"" & ""Mononucleosis"" --Roberta Peters - ""Una Voce Poca Fa"" --Roberta Peters & Allan Sherman - ""Here's To The Crab-Grass"" --Shelly Berman (comedian) --Topo Gigio (Italian mouse puppet) --Kessler Twins - ""Two By Two"" --Steve Sanders (Gospel singer, father plays piano) --Jose Greco (Flamenco dancer, with other dancers) --Brascia & Tybee (modern ballet pas de deux) --John Moehring (magician)