Hogan and his men face the difficult task of returning a Soviet pilot to his homeland. The task is made more difficult by the fanatical, demanding Russian refusing to follow the usual escape route to England.
At midnight in a cemetery, the GRX racecar engine is unearthed. The following day Spritle and Chim are trapped inside a truck. It takes them to Oriana Flub's house, where Chim Chim is tied to a motorized go-cart. When the chimp comes to a stop, one of Oriana's men sprays a "formula" at him. As he takes off again, Oriana announces that "they'll win the Grand Prix of the Orient." At the track, a new racecar comes on the scene. Pops recognizes the sound of its engine. High in the stands, Oriana and her right-hand man, Omar watch while a thug sprays the driver of the mysterious car with the formula. At Oriana's house, Pops accuses her of stealing the engine ""out of the tomb of Bent Cranium,"" the engine's inventor. Pops adds that five test drivers and Cranium died because of the GRX. Oriana knocks him out with "sleeper gas." Meanwhile, Speed in the Mach 5, along with Trixie and Sparky, follows a flatbed truck carrying the GRX race car.
Speed has passed out behind the wheel of the GRX. Eventually, the car comes to a half at the edge of an aqueduct. Spritle and Chim Chim drag Speed out of the racecar. One of Oriana's thugs gets in the GRX and drives away. At the Racer homestead Pops sets out to ""cure"" Speed of his delusions. Later at the racetrack, the final trials for the Oriental Grand Prix are about to begin. Oriana's thug squirts the formula at Louis Towcar so that he can ""stand the speed of the GRX."" Further, he warns the driver that if he drinks water while he is driving, ""you'll get so scared, you'll lose control of the car and smash into smithereens. The race begins. Towcar tries to quench his insatiable thirst. A chemical reaction takes effect and Towcar passes out. Speed autojacks over the GRX, which blows up. Later, in her helicopter, Oriana asks Speed to drive the GRX in the upcoming race. Speed gets into the repaired GRX racecar. The thug gives him the formula. He takes off. Upon spotting Spee
Inspired by a large chess game with people taking the place of the game pieces, Number 6 formulates a new escape plan with some compatriots.
A woman who wrote a cheering letter to Ironside when he was recovering from being shot, dies in an apparent suicide. Convinced that it was murder Ironside investigates, and uncovers the sad truth. (NB - As part of the incidental music, this episode heavily features the original song From The Day You're Born, which was reused later in the season, in episode Something For Nothing, where it was sung by guest star James Farentino).
When she and Sister Jaqueline volunteer at a hospital, Sister Bertrille befriends a boy with a knack for telling lies. The boy sees Bertrille flying, but no one else believes him!
Commissioner Gordon travels across the channel to Londinium by request of the President to assist in a spree of baffling burglaries. Also aboard ship are Bruce Wayne, Dick Grayson, their manservant Alfred and Gordon's daughter Barbara. Alfred sets up a make-shift Batcave under a rented mansion near Londinium while Batman & Robin visit lord Ffogg and Lady Peasoup, who run a girl's finishing school that teaches their students a degree in shoplifting.
Jethro joins the army reserve & Granny makes him wear her Grandpappy's uniform. When he arrives the sergeant thinks he's an extra in a civil war movie. The Colonel tells him to come back on Monday. Jethro overhears the Colonel talking to an actor dressed as General Grant. He thinks the Yankee's are fixin'to fight with the south again. Jethro tells Granny the news & Granny dresses as a southern belle to spy on Gen.Grant & get information on when the attack will be. Granny learns that Grant is going to attack the Culpepper plantation & hurries off to warn them.
The Robinsons encounter two Aliens who are on a mission to seek and destroy an escaped Robot Prisoner, whom they believe to be hiding at the Jupiter Two. Meanwhile, the Robot meets and falls in love with this evil, female Robot. She tries to turn the Robot bad, but ultimately, is defeated by the Robot and the Robinsons, but not before wreaking havoc over the planet.
Jeannie is jealous when movie star Bootsie Nightingale wants to date Tony for publicity purposes.
A horrific crash killing four people occurs when Paul's car stalls on a highway.
A "Sleeping Beauty" production number; a legs and mouth sketch; a "V.I.P." sketch satirizing Lynda Bird Johnson's wedding; musical numbers from guests Juliet Prowse ("The Fleet's In") and Martha Raye ("After You've Gone"); a sketch about ESP; and Carol as the Charwoman sings "Young and Foolish".
Part 1, A forest fire rages drawing closer to Stockton. The only solution, a firebreak made with nitroglyceryn!!
Professional gunman Dave Reeves comes to Dodge for an assignment, kill his ex-wife's new husband-to-be.
Buck Cannon goes to work as foreman for a lovely neighboring widow, and clashes with his brother John when the job appears permanent. Buck falls in love with the widow, Melanie Cawthorne, and becomes her tool as she strives for quick riches and respectability. As water grows scarce, she buys stolen Mexican cattle from Romero without Buck's knowledge.
Historic villains Blackbeard the Pirate, Jesse James, and the Executioner of Paris are committing robberies in New York City.
Miss Trubble, a book dealer obsessed with mythology, is owner of a magical chest from which she summons a succession of mythological figures, from centaurs to the Cyclops to Diana the Hunter-Goddess, to commit robberies of ancient artifacts on her behalf.
Speed and Twinkle awake back into consciousness. They enter the cave behind the Falls. Cornpone Brotch (identified as Cornpone Brush in the previous episode) and his thugs arrive with the treasure. Speed fights off the thugs, while Brotch escapes in the Mach 5. Using her experience as an escape artist, Twinkle frees herself and Speed from the ropes that bind them. Trixie, in her helicopter, along with Spritle and Chim Chim, spots Brotch in the Mach 5. Speed and Twinkle exit the cave; Trixie picks them up. Brotch enters his secret hideout located in Mount Rushmore. Later that night, Speed and the gang find the secret entrance. Inside the mountain, Speed and company find collections of stolen art and cars, including the Mach 5. Brotch surrounds them with ferocious black panthers. While Speed fights the cats, Twinkle jumps to safety, hanging from a chandelier. Meanwhile, Trixie races in the Mach 5 to save her friends. Brotch locks them all in the room.
At the base of a tall building, Speed and company watch Twinkle Banks, star of the Universal Circus, dive off the top. Then, at the circus, they watch Twinkle drive a racecar and perform daredevil stunts. She worries about maintaining the car's momentum and faints. Speed rescues Twinkle. While the girl daredevil rests in bed, a clown (her father) tells Speed that because of a money shortage, he's having difficulty keeping the track in good repair. Speed makes a donation. Later, Speed and Trixie learn on the radio that Twinkle will drive a car, balanced on two ropes, over Niagara Falls. Because of the strong winds Speed and Trixie try to stop Twinkle. Meanwhile, Cornpone Brush, who financed the stunt, tells the clown that Twinkle will perform regardless of the hazardous weather. When Speed and Trixie arrive, Twinkle is already making her way across the Falls. Away from the crowd, Brush reads an old map. It identifies a secret cave in back of the Falls that leads to treasure.