David 'Brown' and a young widow he has never met before are framed for the murder of her husband by a corrupt sheriff and his men. Handcuffed together, the two of them make their escape.
Danno is surprised when he bumps into a former flame and even more concerned when she seems to be involved in criminal activities.
Happiness and loneliness haunts us all. Mork activates his time machine to age himself to be a companion to Mindy's grandmother after she feels all her friends have passed.
After watching the launch of a rocket ship, Chief Anderson leaves with Secretary Clayborne. But it turns out that Secretary Clayborne is an impostor.
A stockbroker leaves Wall Street to become a beggar; a rookie cop, assuming Harris to be a felon, shoots at him.
Dutch and Eunice say goodbye to Jessica and Chester, Burt tries to end his relationship with Sally, Chester disappears, and Elaine is kidnapped.
Quincy's latest ladyfriend moves into a new apartment and accidentally discovers two mummified bodies. He finds himself up against a group of oddball residents when he tries to find out what is going on, who the bodies belong to and where they came from.
A rich gynaecologist is attacked by a gang of villains who rob him of his suitcase.
The Bradford children plan a party for Tom and Abby's anniversary and Nicholas fell left out. Tom and Abby unknowingly bid against each other for ""A Christmas Line"" tickets for their anniversary. Nicholas accidents set fire to his room, destroying the anniversary present Tommy was making for Tomand Abby. Feeling like the family doesn't want him around anymore, Nicholas runs away to find Sam in San Diego.
In San Diego, Nicholas is taken in by Joe Simmons, an old con man and bum who was a friend of Sam's. He then performs his best scam trying to get Nicholas back to the Bradfords. Believing that Nicholas is at a friend's house, the Bradford's work on repairing Tommy and Nicholas room.
A serpent is attacking oil refineries. After her father is killed in one of the earthquakes, Debbie Harland blames Mark for not being able to help him. Mark then needs to balance helping Debbie with saving other refineries.
Mrs. Slocombe thinks she's finally got her man, a bouzouki player in a Greek restaurant. The staff plan a reception at the store to help keep costs down, and her American uncle plans on giving the happy couple a house. Before they can leave for the church, however, the best man arrives with bad news, forcing Mr. Tebbs to don the garb of a Greek vicar and Mr. Humphries that of the bridegroom.
Christmas is approaching, and Lifeline finds itself having to play Saint Nicholas when a wounded Group Captain is discovered by a group of abandoned children fending for themselves, who are prepared to sell the officer in turn for food and presents. However, Albert fears that it could all be an elaborate trap set up by the Germans. Meanwhile, Brandt finds his loyalties to Germany divided after recent events and confides his worries to Kessler.
After John smashes up Cab 804, the cabbies reminisce about their experiences in the car.
Hutch takes the guise of a bumbling swimwear buyer and Starsky poses as an eccentric photographer, as the Detective duo enter the fashion world to stitch up a garment-business racketeering ring. But as they look into the case, they receive an unusual offer of help from a woman eager to get in on the action – unfortunately, she only serves to compromise the undercover investigation...