Lost in Space's only Christmas program. Will uses an alien transporter to send himself back to earth. However, many people believe the Robinson family to be dead after hearing the ship went off course. Nobody on Earth believes him, and they lock him up with the intention of sending him to a boys' home. Will escapes the family home he's in, and wanders around these clueless bunch of townspeople, but finds carbon tetrachoride — needed for the food processors on the Jupiter. Eventually he convinces another boy, Davey, to let him out, and let him return to the planet he came from. He returns to Priplanus with this bottle. Of course no one believes his adventures until he produces the bottle, plainly labeled as coming from Earth.
In rural Wyoming, Kimble seeks refuge from the local constable at a small hotel run by Lois Carter, a young widow whom hires him as a handyman. Kimble soon befriends Lois' son Kenny, a particularly sensitive young boy whom protects Kimble from the police when they arrive looking for him.
When searching for a friend missing in the New Guinea jungle Paul and his guide Carl Hague (James Forrest) are captured by the Bosavis tribe after accidentally shooting one of their young people.
The Doctor, Steven and Sara visit a Liverpool police station on Christmas Day and a Hollywood film set during the 1920s.
Dr. Bellows thinks that married men make better astronauts, so Jeannie once again asks Tony to marry her. When he refuses, Jeannie blinks up more romantic version of Tony.
When Matt is too busy to escort Kitty to a gold mine she inherited, she travels there alone and meets with claim jumpers and other difficulties.
Uncle Fester is chosen to slide down the chimney dressed as Santa Claus to prove the existence of St. Nick to the children. Fester gets stuck in the chimney, so Gomez, Lurch, Cousin Itt, and even Morticia and Grandmama each don a red suit and appear to the children.
An agreement to aid two escapees quickly goes awry when 20 men show up at the appointed hour. Where will Hogan and his gang find uniforms and papers for the men? And how will they get them out of Stalag 13, with German guards stationed near the end of the secret escape tunnel?
In Switzerland Drake must determine if an enemy agent is really dead.
While fishing, Gilligan pulls a WWII mine out of the lagoon. When the Professor is unable to deactivate the mine, Gilligan tows it back into the lagoon, where it harmlessly explodes.
A repeat of Season 1 episode of the same name, this episode begins with Samantha and Darrin getting a card from the boy they took in last year for Christmas. They then have an episode-long flashback of the previous season's holiday episode.
Jarrod decides to bring home one of his clients, a young woman named Maybelle, for Christmas. Her accused crime aiding and abbetting her outlaw boyfriend, a boyfriend who recently escaped from jail and is now looking for Maybelle.
After losing his wallet, Kimble steals another wallet to pay for his train fare. The wallet belongs to R.T. Unger, who owns a local dairy. Kimble finds work as dishwasher at a local diner in order to repay the debit. But when Unger finds his wallet missing, he calls the police. Kimble goes to Unger's house and gives back the wallet and money to Unger's daughter, Betty Jo, whom is pregnant by Neil, a disreputable youth whom works at Unger's dairy. Unger offers Neil $1,000 to leave town. But when Neil refuses, their argument turns into a fistfight where Kimble walks in and sees Neil kill Unger. Kimble flees and tries to find a way to get out of town before Neil decides to pass the blame for the killing on the fugitive.
Warren is truly shy around women except when he is sleep walking. When he sleepwalks he turns into a Lothario of the first order--and his new conquest-to-be is Helen!
The Doctor, Steven and Sara escape Mira in a Dalek pursuit ship but when they find the ship is returning to Kembel, they are forced to come up with a new plan to avoid the Daleks.
A retired judge and his sons abduct Kitty, Festus, and Doc after Festus shoots his other son in order to defend Kitty. The judge "tries" Kitty and Festus for murder, pressing Doc into service as their defense attorney.