T.D. "Touchdown" Jones visits his Uncle George in Scotland. When a remote-controlled submarine version of the Loch Ness Monster operated by General Warhawk terrorizes Loch Ness, T.D. calls in the rest of the Force of Freedom.
Harry deals sympathetically with an escaped felon whose only wish is to spend New Year's Eve in Times Square to celebrate his 42nd wedding anniversary.
Dr. Hyde creates a robot body double that can replicate anyone like Senator Thorne and the President.
Larry and Balki are snowed in Chicago on Christmas Eve which means they can't go to Madison to see Larry's family. So Larry is miserable until Balki spreads some Christmas cheer his way.
It's Christmas time and Jonathan and Mark's assignment is to prove to a cynical reporter, who doesn't believe that there's any goodness in the world, that there is.
A woman asks McCall for help recovering her kidnapped newborn son.
Armed with Emily Fallmont's incriminating letter, Blake and Steven search for the witnesses who testified against him at his murder trial. Blake anticipates crashing Alexis' opulent bash and finally revealing the truth of Alexis and Ben's perjury against him. Sammy Jo's doctor informs her she is not pregnant. Disputing the diagnosis and fearing the outcome, she keeps the news secret from Clay. Unable to buy back The Crater stocks from Michael Culhane, Blake shuts down operation on the project, fearing Alexis' determination to possess the stocks for her own vindictive schemes. At Denver's grand ball, Blake presents Alexis and Ben with signed affidavits from Dan Franklin and Cora Van Husen, key witnesses in his murder trial. Savoring his moment of triumph, Blake challenges them to relinquish his holdings or face legal humiliation when he makes the facts public.
A survival trip for Higgins and a group of boys from prison camp tests Higgins' skills in the survival of the fittest.
As Tony doesn't want to sell his only 'Tony Micelli Baseball card', he tells Mr. Ferguson he has none. Angela, who has listened, now wants to get one for Tony. The trader Angela has asked calls Tony shortly after and offers him a lot of money which he really could need to buy Angela a christmas present.
A depressed Maddie gets a chance to see what her life and the rest of Blue Moon staff would be like if she had sold the agency as she originally intended.
A retired actor and his wife stop at a motel on the way to Los Angeles. MacGyver rescues them from a drunkard who nearly makes a mark on their car. MacGyver is supposed to meet a mobster-turned-informant at the motel, but the meeting goes wrong. The mob shows up and kills MacGyver's friend before he can give MacGyver what he promised. Instead the bag lands in the old couple's car, where the old actor finds it and discovers it full of money.
Mad Dog and his biker gang hijack the space shuttle Xenon which is also a laser-defence space station. General Warhawk plans to use Xenon to blow up satellites if his demands aren't met.
The continuing adventures of the "now adult" Beaver Cleaver, his family, and their friends.
The murder of the leading lady's understudy disrupts rehearsals of a play starring two previously married, but now warring, actors.
A plant creature is responsible for the disappearance of a number of people in a nearby woods, and the Quests must deal with it before it spreads. Unfortunately they discover that the creature converts its victims into similar plant-creatures and soon an army of the vegetoids starts marching forth.
After Fozzie breaks a mirror, Piggy tells him he will have bad luck for the next 7 years.
Sandra is writing a romance novel whose characters resemble the residents of 227: Marie, Rosita, and Pearlie Mae. With Mary up against Emma Johnson for the presidency of the Ladies' Auxiliary, she becomes nervous when Emma receives a copy of Sandra's book. She and the Rev. come to the Jenkins' home when Sandra drops by and gives Emma the newest chapter of her book, introducing a new character: Emily (who resembles Emma). Emma changes her mind about blabbing to the Rev. and resigns from the running for president. Mary becomes president.