Cloris Leachman makes her last appearance as...

Cloris Leachman makes her last appearance as Phyllis before spinning off into her own series on The Mary Tyler Moore Show (Sunday at 11 p.m. on Nickelodeon).

Mala Powers, who played Roxanne opposite Jose Ferrer in 1950’s “Cyrano de Bergerac,” is a guest on Bewitched (Monday at 5:35 a.m. on TBS) as Darrin’s new client.

Long before he teamed up with Kathie Lee Gifford, Regis Philbin did a guest-shot on Get Smart (Monday at 8 p.m. on Nickelodeon).

Ted proposes to Georgette in the middle of a newscast on The Mary Tyler Moore Show (Tuesday at 9 p.m. on Nickelodeon).

Opie (Ron Howard) visits his friend Gomer at the Marine base on Gomer Pyle, U.S.M.C. (Wednesday at 2:05 a.m. on TBS).

Peter Strauss, Nick Nolte and Susan Blakely headline the award-winning 1976 miniseries, Rich Man, Poor Man (Wednesday-Friday at 9 a.m. on TNT), based on Irwin Shaw’s acclaimed novel.

Art Carney goes dramatic as a gunsmith who makes weapons for gangsters on Alfred Hitchcock Presents (Wednesday at 10:30 p.m. on Nickelodeon).

Nick at Nite repeats the first episode of The Dick Van Dyke Show (Friday at 9:30 p.m. on Nickelodeon), which finds Rob talking Laura into leaving a sick Richie with a baby sitter so they can go to a big party.