Jeff awaits manhood after he discovers the...

Jeff awaits manhood after he discovers the first whisker on his face on “Jeff’s Collie” (Monday at 2:30 p.m. on Nickelodeon).

Karl Malden and Michael Douglas teamed for the first time as Lt. Mike Stone and Detective Steven Keller in the two-hour pilot for “The Streets of San Francisco” (Tuesday at 10:05 a.m. on TBS); Robert Wagner and Kim Darby guest.

Michael Cole, Peggy Lipton and Clarence William III are reunited for the 1979 movie “Return of the Mod Squad” (Thursday at 10:05 a.m. on TBS). This time around, Pete (Cole), Julie (Lipton) and Linc (Williams) come back after seven years off the “Mod Squad” force to help their old boss, who is the victim of mysterious sniper attacks.

Before he became a household name as Ted Baxter on “The Mary Tyler Moore Show,” Ted Knight guest-starred on “Get Smart” (Thursday at 9:30 p.m. on Nickelodeon) in an episode in which two CONTROL agents are tranquilized to be sent behind the Iron Curtain.

David Janssen stars as the cynical ex-cop turned private eye “Harry-O” (Friday at 10:05 a.m. on TBS), in the two-hour pilot of the series that aired on ABC from 1974 to ‘76; Martin Sheen and Margot Kidder guest.

William Schallert (a.k.a. “Patty Duke’s father”) appears on “Alfred Hitchcock Presents” (Thursday at 10:30 p.m. on Nickelodeon) with Oscar-winning Robert Duvall in an episode in which an actor quite literally chokes while auditioning for a part. Schallert also guests on “Get Smart” (Saturday at 8:30 p.m. on Nickelodeon) in an installment in which Smart is marked for death.