George Hamilton plays a wealthy psychiatrist who...

George Hamilton plays a wealthy psychiatrist who commits murder to cover up an affair with a married woman on Columbo (Monday at 11 a.m. on A&E;).

Andy Griffith and Don Knotts reunite for a two-hour episode of Matlock (Monday at 8 p.m. on TBS), in which the attorney and his daughter work together to prove a client is innocent of murder.

Football great Bubba Smith guests on Taxi (Monday at 11 p.m. on Nickelodeon) as a pro football player who joins the Sunshine Cab Co.

Aunt Clara (Marion Lorne) makes her last appearance on Bewitched (Tuesday at 5:35 a.m on TBS) in the “Samantha’s Secret Saucer” episode.

Lucy announces to Ricky at the Copacabana that she’s pregnant in one of the most well-remembered episodes of I Love Lucy (Tuesday at 9 p.m. on Nickelodeon).

Latka (Andy Kaufman) tells the gang that Dr. Joyce Brothers has cured him of his multiple personalities and then he asks Simka (Carol Kane) for her hand on Taxi (Wednesday at 11 p.m. on Nickelodeon).

Tom Hanks guests on Taxi (Thursday at 11 p.m. on Nickelodeon) in a two-part episode in which Elaine is offered a small job at a Seattle art gallery.

George Carlin guests on Welcome Back, Kotter (Friday at 8 p.m. on Nickelodeon) in an episode in which Freddie becomes a deejay.

Gabe and Julie have twins on a three-part Welcome Back, Kotter (Friday 9-10:30 p.m. on Nickelodeon).

The Disney Channel presents the three-part 1963 adventure The Scarecrow of Romney Marsh (Saturday at 3:30 p.m.). Patrick McGoohan star as Dr. Syn, who by day is a modest vicar and by night a pirate trying to crush the import tax of King George on the English people.