Michael and Kitt enter the Alternative 2000, a cross country race for cars that run on alternative fuel. They are there to find a saboteur, not to win, but find themselves having to rescue nosy reporter Liberty Cox in each lap.
Bonnie is given the honor of joining the Helios society, who's members all have genius level I.Q.'s. This to Devon's chagrin, who was expecting a nomination himself but has to be content with honorary membership. However, it soon becomes clear that high ranking members of the society are planning to ensure their own survival by committing the perfect crime. For this they need to get their hands on Kitt and to get rid of it's driver, Michael Knight.
A shipment of highly sensitive Micro-Tech electronic components is stolen near Albuquerque, New Mexico. When Michael goes to investigate, he finds himself attracted to the cause of the Alliance of Indipendent Truckers, who have lost 6 shipments. He is also attracted to AIT spoke-person and lady trucker Terri 'The Tiger' Calley.
When computer software is being stolen from Deltron Micronics, Michael is convinced it's an inside job. He and Kitt starts tailing the main suspect, Julian Groves, who is also being followed by female detective Flannery Roe on account of adultery.
Michael picks up a hitchhiker who's looking for her daughter. When he defends her from a couple of bikers from the Satan's Stompers motorcycle club, he ends up charged with second degree murder himself.
Wilton Knight's estranged son Garthe has returned from Africa where he had been sentenced to three lifetime imprisonments. Together with his mother Elizabeth (Wilton's fourth wife) he manages to steal the formula to Kitt's Molecular Bonded Shell and applies it to a monster truck he calls Goliath. Garthe then sets out to destroy Michael Knight, the man he feels his father gave everything to that was rightfully his.
Michael Knight helps to break a criminal out of jail against his wishes in order to halt the detonation of a Minotaur bomb. When the escapee refuses to cooperate, Knight and Kitt become fugitives of the law themselves.
Amelia Clermont, a former lover of Devon Miles, stumbles upon some stolen Sledgehammer missile that can only be fired from the SX4-11 helicopter and promptly disappears. Her daughter Camela turns the Foundation and Devon, who puts Michael and Kitt on the case.
The Foundation is tipped to investigate the exploitation of illegal aliens at a scrapyard. When a man suspected to be the informant gets shot, the only witness turns out to be a blind woman called Julie Robinson.
About to embark on a test to see if Kitt can float on water, Michael finds Bobby Shell, a diver, unconscious on the beach grasping a coin of Aztec gold. He and Bobby's sister Jennifer soon embark on quest to find the rest of the gold before the men who tried to kill Bobby do.
An infamous cat burglar has begun robbing jewelry again. The problem is that the man who was always the main suspect has recently passed on. therefore suspicion soon falls on his daughter, Grace Fallon.
When a convicted murderer escapes from prison, his young wife sends a distress call to the Foundation. Michael and Kitt head to the Louisiana bayou where the murderer is being protected by his father, the judge.
Michael & Kitt are looking for a stolen substance called Alidium. After tracking a suspect to the Bedford dam, Michael is caught in an explosion and loses part of his memory. He wakes up thinking he's still police officer Michael Long.
On their way to pick up a tux for the annual Foundation Christmas banquet, Michael and Kitt run into a gypsy kid named Tino who has just stolen a gold watch from a trio of bank robbers. Michael promises Tino's sister Marta to bring the boy to their uncle Stephano, self proclaimed king of the gypsies. But they are unaware the bank robbers, afraid of being identified by the boy, are on their trail.