Actor-writer-director Henry Jaglom and Oscar-winner Sally Field...

Actor-writer-director Henry Jaglom and Oscar-winner Sally Field probably would like to forget the project they collaborated on a quarter of a century ago: An episode of Gidget (Saturday at 10:30 a.m. on KTLA). Jaglom plays a folk singer whom Gidget (Field) recruits for a protest.

Tom Hanks is a stoned Harvard student in Part I of the Taxi episode “The Road Not Taken” (11 p.m. on KTLA), which recounts Jim’s first use of drugs, among other cabbie milestones. Part II follows.

The love between Arnold the pig and Cynthia the basset hound is tested when Mr. Ziffel tries to break up the romance, on Green Acres (Saturday at 9 p.m. on Nickelodeon).

Wayne Rogers guest stars in the Gunsmoke episode “Cody’s Code” (Saturday at 1 p.m. on The Family Channel), which first aired in January, 1962. Rogers, though best known for “M*A*S*H,” was no stranger to Westerns; he had his own, “Stagecoach West,” in 1960-61.

Mel Torme wrote and stars in an episode of The Virginian (Saturday at 9 a.m. on Family) about a drifter mistaken for a fast gun.

Passengers and crew of a spaceship to London crash, finding themselves in the Land of the Giants (Wednesday at 11 a.m. on USA).

Michael Landon made his directorial debut on Bonanza with “To Die in Darkness” (Saturday at 2 p.m. on Family), which he also wrote.

“Where Is Everybody?,” the pilot for The Twilight Zone (Monday at noon on KTLA), isn’t remembered as a standout, but it did sell the series. The story, about a man who panics when he finds himself alone in a small town, first aired on Oct. 2, 1959.

More pilots: Cop show spoof Sledge Hammer (Monday at 7 p.m. on KTLA) and The Equalizer (Saturday at 6 p.m. on USA).