Endora presents an idea for a great campaign for the Bobbins Bon Bons account, and Bobbins takes a liking to her. He insists that she promote her idea on a TV show, which she refuses due to a ski date. So Samantha poses as Endora, but the deception is short-lived when the real Endora appears, magically, on live TV. Because of the special effects, Bobbins is sold on the idea.
After a UFO inexplicably destroys itself less than two miles from Moonbase, a mysterious crystal rock is recovered, and it causes the person in its vicinity to hallucinate. The man on Moonbase who found it thinks Mexican bandits have taken over Moonbase. It gets transferred to Straker's office, and he hallucinates that SHADO is simply a set for a TV series, he is an actor named Mr. Burns, Moonbase can be reached by stepping through two doors from the main control room at SHADO HQ, and "Mr. Straker" is not available. Straker breaks the hallucination by jumping in on the scene while the "character" Gen. Henderson is doing a close-up of the line they were doing when the hallucination began.
Five-O investigates the death of Vietnam hero Jack Rigney, who fell from a balcony. His father is a World War II veteran, but his brother Michael is a peacenik, and Danno goes undercover as a draft dodger to help solve the mystery of Jack's death.
Jack Cassidy as the mastermind of an unusual business: his clients pay him to harass people and he employs a gang of youths to do the dirty work. Pete: Michael Cole. Mrs. Hamilton: Barbara Rush. Linc: Clarence Williams III. Johnny: Richard Kim Milford. Julie: Peggy Lipton.
A task force of Clampetts awaits an invasion of the U.S. by fish.
Lucy Carter, a widow with two teen children, takes a job as a secretary for her stuffy brother-in-law.
It's Edith and Archie Bunker's wedding anniversary. Edith manages to drag Archie to church. Daughter Gloria and her husband Mike try to whip up a party atmosphere for the parents.
An insecure Jamie is unsure of his place in the family, having trouble adjusting at his new school and keeps getting harassed by a bully. When he takes Ben's prized gold-plated rifle and breaks it, he runs away, sending Ben to go looking for him.
Klink takes Hogan to England to steal an Allied plane, but Hogan has other plans --- to expose some Nazi spies.
Attempting to find out where Jo encountered the Master, the Doctor heads to the circus where he falls foul of Rossini.
Mary gets a tempting offer from a rival television station, but becomes reluctant to leave when her WJM-TV colleagues throw a farewell party for her.
Jan and Cindy catch Greg smoking with some friends. This leads to them telling Marcia who in turn tells Mike and Carol.
Laurie gets braces right before a television show comes to film the band. As if that isn't bad enough, when they begin to play, her braces pick up radio signals and all she can hear is The Rolling Stones! Guest Star: Mark Hamill as Jerry Song: "The Love Song"
Felix's determination to win a cooking contest drives Oscar nuts.
A successful folk trio comprising two brothers and a sister tour San Francisco, and Eve's suspicions are roused when the girl, an old school friend, disappears without a word. When the body of another young woman turns up, brutally murdered, the Chief knows that there is a connection somewhere; but which, if either, of the brothers killed the girl? The clue to their sister's whereabouts might just be in their music.
An electronics genius is busted out of prison so he can mastermind a massive robbery of diamonds from the Honolulu Diamond Exchange.
Foster, whose radio is knocked out and his oxygen line cut, is presumed lost (but they did a crummy job, not even trying to find his body) during a confrontation with a UFO on the moon's surface. Foster is found by an alien, and together, they cross the lunar landscape, developing a friendship when the alien must try to do make-shift repairs on Foster's suit to keep him alive. At the end, a Moonmobile crew finds Foster and misunderstands his intent when he points them to the alien nearby.