Jerry Van Dyke (“Coach”) guests as writer...

Jerry Van Dyke (“Coach”) guests as writer Wes Callison, who gets a crush on Mary on “The Mary Tyler Moore Show” (Sunday at 11 p.m. on Nickelodeon).

Bruce Dern is featured in “The Fugitive” (Tuesday at 8 a.m. on A&E;) in an episode in which Kimble must save Lt. Gerard.

A pre-Fonzie Henry Winkler pops up on “The Mary Tyler Moore Show” (Tuesday at 9 p.m. on Nickelodeon) in an episode in which Mary is forced to plan a dinner party.

Louis Gossett Jr. guests as Rockford’s former parole officer on “The Rockford Files” (Thursday at 3 p.m. and Friday at 10 a.m. on A&E;).

Marion Lorne makes her last appearance as dotty Aunt Clara on “Bewitched” (Friday at 5:35 a.m. on TBS) in an episode that originally aired March 18, 1968. Lorne died two months later of heart failure at age 82.

Look for a young Bruce Boxleitner in the “I Gave at the Office” episode of “The Mary Tyler Moore Show” (Friday at 9 p.m. on Nickelodeon), which originally aired Dec. 8, 1973.