Ricochet and Droop-a-Long try to catch "The Whip" before he can cause trouble in town. After the Whip robs the bank and does his best to get away before the sheriff and his deputy can catch him, Ricochet and Droop-a-Long fail a few times before they decide to use a whistle to catch the Whip and cart him off to jail.
The Doctor finally discovers what the Monk is up to and must move fast to prevent his opponent from altering the course of history.
The Doctor manages to escape from his cell and get the upper hand on the Monk but his plans are derailed when Sven and Ulf arrive at the monastery.
The Doctor is being held prisoner by the Monk and Steven and Vicki's search for him brings them to the Saxon village.But a greater danger threatens when a Viking raiding party arrives.
The Doctor, Vicki, and Steven Taylor, go to 1066 England, but something doesn't seem right including modern inventions like a Gramaphone and electricity. Could there be another Time Lord?
The Doctor and his friends are taken into the Mechanoid City but their troubles are far from over...especially when the Daleks launch an attack.
With Vicki trapped on board the Dalek time machine, the Doctor, Ian and Barbara decide to make their stand on the planet Mechanus.
Mrs. Drysdale has a new plan to get rid of the Clampetts and add culture to Beverly Hills. She gets the Clampetts to donate their home as an art gallery. Of course, they misunderstand this and think they have to provide the art. They go on and sculpt and paint up a storm for this new art center and end up filling their mansion with their homemade creations. Note: This episode is the final one to be filmed in black-and-white.
The TARDIS lands in a haunted house where the Doctor and his friends are confronted by Dracula and Frankenstein's Monster...and then the Daleks appear.
A fall from a coconut tree gives Gilligan an inflated nose and a deflated ego. When Gilligan decides he wants the Professor to perform plastic surgery on his nose, the Professor pretends to perform the surgery, and instead, relies on the recuperation time behind the bandages to allow the swelling to go down. When the bandages are finally removed, Gilligan decides he is happy with his old nose!
Granny is tired of Beverly Hills and heads home for the Hills. But she never makes it back home and ends up in Las Vegas. And Jethro is having no luck being an international playboy and ends up getting arrested. Granny comes back that night, but with a story to tell about Vegas the next day.
After Gilligan saves Mrs. Howell's life, Mr. Howell decides to make him his son. He immediately puts Gilligan through basic training to be a millionaire's socialite son (dream sequence), changing the way he walks, talks and dresses. However, Gilligan and the rest of the castaways miss the "old Gilligan."
The TARDIS crew's attempts to escape from the Daleks take them to the top of the Empire State Building and a 19th century sailing ship.
Although Darrin suspects Endora of using magic to break up his marriage and ruin his reputation at work again, it is actually Samantha's distant cousin Edgar, an elf who has the power to become invisible.
The Brewsters come to Beverly Hills to build their new home on a vacant lot they purchased, and they request the Clampetts don't learn of this. But the Clampetts are planning to move back home to the Hills. When they tell Drysdale, he reveals the secret. Drysdale tells Brewster what he has done, but explains it was to save the Clampett oil account, and because of this, he has to visit the Clampetts.
A buffalo hunter who doesn't hold with ranching is acquitted of shooting the man who tries to stop him from stealing a calf, but he isn't finished with stealing to get his way.
While Ian and Vicki are threatened by a Mire Beast, the Doctor and Barbara meet up with the Aridians...who are then ordered to hand them over to the Daleks.
Samantha and Endora enjoy lunch at a great pizzaria owned by Mario. It seems that he is not selling pizzas and his business is going down the tubes. Samantha and Endora try to help out Mario, but ends up getting Darrin's job in danger.
Luke Short's son Beau comes from back home.Granny wants him to marry Elly May,but Elly wants none of it.At first Miss Hathaway dresses her as a Hollywood siren to scare him-but he quits being scared after Elly gives him a strong kiss.Then she dresses like a dirty scrubwoman to discourage him-but Beau is glad that she can look like she does chores,too.Then Miss Hathaway convinces Beau that he should be a man of the world-and Jethro tries to show Beau how to be a playboy.it turns out that the reason Beau had come to California was to enlist in the army.