Nerd Night (Sunday from 8 to 11...

Nerd Night (Sunday from 8 to 11 p.m. on Nickelodeon) is so funny you’ll forget to laugh. Spend three hours with “Saturday Night Live’s” lovable nerds Todd and Lisa.

Burt Reynolds becomes involved with kidnapers on Alfred Hitchcock Presents (Sunday at 11:30 p.m. on Nickelodeon).

Oscar-winner Don Ameche and Ida Lupino guest on Ellery Queen (Monday at 7 a.m. on A&E;) in an episode in which a killer uses one of Ellery’s plots to murder a socialite.

Laura Ingalls’ Christmas cheer is replaced with fear when a deranged woman kidnaps her infant daughter on “Bless All the Dear Children,” a special two-hour Little House on the Prairie (Monday at 7:05 a.m. on TBS).

The Bradfords’ Christmas is put on hold when they discover the family’s presents have all been snitched on Eight Is Enough: Yes, Nicholas, There is a Santa Claus (Tuesday at 7:05 a.m. on TBS).

Joanne Moore, the real-life mom of Tatum O’Neal, guests as Andy’s new girlfriend Peggy on The Andy Griffith Show (Tuesday, Thursday and Friday at 3:35 p.m. on TBS).

The late James Franciscus and Jack Weston appear on Alfred Hitchcock Presents (Tuesday at 10:30 p.m. on Nickelodeon) in an episode in which a man hires his 41st detective in an effort to bring his wife’s murderer to justice.

Kimble is caught in a bitter family struggle on The Fugitive (Thursday at 8 a.m. on A&E;); Oscar-winning Gloria Grahame and Shirley Knight guest.

Nanu, Nanu. Robin Williams guests as Mork on Happy Days (Friday at 2:05 p.m. on TBS).

Donna’s good friend (Cloris Leachman) inspires her to dye her hair on The Donna Reed Show (Saturday at 1:30 a.m. on Nickelodeon). John Astin also is featured.

A pre “Laugh-In” Henry Gibson plays Wrongo Starr, a jinxed Cavalryman, on two episodes of F Troop (Saturday at 11 a.m. on Nickelodeon).