While babysitting them, strange old Aunt Dahlia provides her nephews, Tom and John, with prune cookies that have a strange effect.
Once every thousand years, the Zoroastrian demon Ahriman returns to wreak havoc on the earth. He has already brought destruction to Duncan MacLeod's world, having caused Richie's death at Duncan's hand. But now MacLeod returns to Paris to take up his mantle as Champion and vows to destroy Ahriman. Sophie Baines knows how to defeat the demon, but is she MacLeod's ally, or another pawn in Ahriman's game?
Gary must help a Vietnam vet who has the Congressional Medal of Honor when a ceremony in his honor triggers feelings of guilt because of a mistake he made in Vietnam.
Brain plans to use the Personalitron to give him irresistible charisma, but it winds up going to Pinky.
The mice learn of a secret organization, T.H.E.Y. (comprised of world leaders), and try to get in.
Batman travels to Metropolis when the Joker steals a solid Kryptonite statue and makes a deal with Lex Luthor to kill Superman.
Lois Lane becomes romantically tied to Bruce Wayne and is kidnapped by the Joker in an attempt to lure superman to his death.
After thwarting both Lex Luthor and The Joker's plans, Superman and Batman form an everlasting alliance that will serve as a solid foundation for the Justice League.
Through a series of misinterpretations, Krumm is convinced that Oblina has a crush on him. Krumm gets paranoid about what this will do to their friendship and tries desperately to avoid her.
While getting ready to do a scare at a hypnotist's show, Ickis stares at the hypnotist's watch and inadvertently gets hypnotised along with the hypnotist's intended subject - a loud-mouthed Car Salesman. Oblina and Krumm are mystified that whenever the word "human" is uttered, Ickis begins to act like the Car Salesman.
The Ashleys try to force Spinelli to be just like them when Spinelli's first name is revealed.
Walker gets an ex-convict to impersonate a just-jailed criminal to help capture his accomplices.
The only contribution the kids in Ms. Frizzle’s class have made to the Walkerville Space Capsule is an empty jar. “It’s not empty,” argues Keesha. “It’s filled with air!” Ralphie thinks that air doesn’t do anything, but when the bus shrinks and gets stuck inside the jar—the class finds that their only hope for escape is... air!
Jimmy finally gets his first case, that of a little girl bitten by a dog. A juror approaches Lindsay with inside information on a case. Eugene defends a one-legged mugger.
Eric and Maria invent a spray that will help restore the life in shirts. Eric decides to sell it without testing for side effects that the spray causes.
Eric wins an Open Mic Night at the Teen Machine and a record company executive, Teddy Edwards, offers him a contract. Edwards decides to change Eric's image and lyrics and turns his client into Thug Dawg Little. Eric does a rap about giving up on school and life that stuns everybody. Eric decides that he doesn't want the contract if it means telling people to give up.
Sniz and Fondue Celluloid Sins: Sniz becomes addicted to plexing. Action League Now! Incident At Chlorine Lake: People are suddenly drowning at Chlorine Lake. Could this be one of The Mayor's plans of taking over the world? Life With Loopy Goldfish Ghost: Loopy's fish dies and goes to heaven. Prometheus and Bob Boxing: Prometheus' attempts to teach Bob boxing instantly become a tea party with a boxing dummy and Monkey's mother! Henry and June Theme Staplethon