Guests: singer-actor Ricky Nelson actor David Nelson TV personality Don Wilson singer Shani Wallace and Arlen Spector, Philadelphia District Attorney & Warren Commission member Highlights: Ricky Nelson sings "Walking Down the Line". Ricky and Mike duet on "Time After Time". Mike sings "Put on a Happy Face" to David and June Nelson's son Danny. Jack Benny's announcer Don Wilson reminisces about radio in the 30's . He also talks about and shows pictures of his prize winning poodles. *Note: Rick and David Nelson surprise their parents Ozzie and Harriet Nelson on the couple's 31st wedding anniversary.