Very Very Nick at Nite (Sunday at...

Very Very Nick at Nite (Sunday at 8:30 p.m. on Nickelodeon) presents “Very Very Tearjerkers,” featuring four emotional episodes of “The Mary Tyler Moore Show.”

TNT presents six episodes of the camp ‘70s series CHiPS (Monday beginning at 7 a.m.); Eric Estrada stars.

Robert Goulet guests on Police Story (Monday at 9 a.m. on A&E;) in an episode in which two narcotics detectives give up a fun-filled weekend to pursue a major drug dealer.

Ray Milland plays a collector of rare plants who murders his nephew for his money on Columbo (Sunday at 11 a.m. on A&E;).

The great Charlie Ruggles plays Aunt Clara’s old flame on Bewitched (Monday at 8 p.m. on Nickelodeon).

Dean Stockwell and Jerry Lee Lewis guest on Police Story (Friday at 3 p.m. on A&E;) in an episode about a male chauvinist cop who becomes upset when a woman officer is assigned to him.

Morgan Fairchild appears on The Bob Newhart Show (Friday at 9:30 p.m. on Nickelodeon) in an episode in which Bob and Emily celebrate their 10th wedding anniversary.

Eileen Heckart (“The Five Mrs. Buchanans”) plays Mary’s Aunt Flo, a globe-trotting journalist, who falls for Lou on The Mary Tyler Moore Show (Friday at 10 p.m. on Nickelodeon).

Nick at Nite repeats the hilarious, Emmy Award-winning “Chuckles Bites the Dust” episode of The Mary Tyler Moore Show (Friday at 10:30 p.m. on Nickelodeon).

Lucy feels like going on an excursion to find Uranium when she visits Las Vegas on The Lucy & Desi Comedy Hour (Saturday at 11 p.m. on Nickelodeon); Fred MacMurray and his wife June Haver are guests.