Learn how Mork left Ork and came...

Learn how Mork left Ork and came to Earth in the two-part pilot of Mork & Mindy (Wednesday and Thursday at 8 p.m. on Nickelodeon). Henry Winkler (as the Fonz) and Penny Marshall (Laverne) guest.

Comic Frank Gorshin goes dramatic on Alfred Hitchcock Presents (Thursday at 10 p.m. on Nickelodeon) in an episode in which a man is accused of murdering his lover’s abusive husband.

Mel Torme guests on The Nat “King” Cole Show (Saturday at 9 p.m. on KOCE). Torme also wrote one of Cole’s biggest hits, “The Christmas Song.”