Bert Convy and Beth Howland (“Alice”) are...

Bert Convy and Beth Howland (“Alice”) are guests on “The Mary Tyler Moore Show” (Sunday at 11 p.m. on Nickelodeon) as Mary’s married friends who are splitting up.

Lola Albright plays a domineering guest-star who forces Rob to take over as producer of “The Alan Brady Show” on “The Dick Van Dyke Show” (Sunday at 9:30 p.m. on Nickelodeon).

Robert Loggia plays a blackmailer on “Alfred Hitchcock Presents” (Sunday at 10 p.m. on Nickelodeon).

Michael Landon, Karen Grassle and Melissa Gilbert star in the pilot of the long-running NBC series “Little House on the Prairie” (Monday at 7:05 a.m. on TBS). TBS also will be airing the pilots of “The Love Boat” (Tuesday at 7:05 a.m.) and “Streets of San Francisco” (Wednesday at 7:05 a.m.).

Sharon Gless plays a nervous airline hostess on “The Rockford Files” (Monday at 3 p.m. on A&E;).

A young Stacy Keach appears on “Get Smart” (Monday at 8 p.m. on Nickelodeon) in an episode in which Smart and 99 are sent to a small Caribbean island posing as hunters to track down the killer of Agent 27.

Michael J. Pollard (“Bonnie & Clyde”) plays Barney’s klutzy cousin Virgil on “The Andy Griffith Show” (Wednesday at 3:35 p.m. on TBS).

A pre-”Murphy Brown” Candice Bergen plays socialite-madam Sydney Biddle Barrows in the CBS movie “Mayflower Madam” (Wednesday at 4 p.m. on Lifetime).

Georgia Engel makes her first appearance on “The Mary Tyler Moore Show” (Thursday at 9 p.m. on Nickelodeon) as Ted Baxter’s love interest, Georgette, in an episode in which Rhoda decides to move to New York.

Raymond Burr and Barbara Hale reprise their famous roles as Perry Mason and Della Street in three mysteries (Saturday, beginning at 9:05 a.m. on TBS) that originally aired on NBC in 1986 and ‘87: “Case of the Lost Love,” guest-starring Jean Simmons; “Case of the Murdered Madam,” with Ann Jillian; and “Case of the Notorious Nun,” featuring Timothy Bottoms.