Mike must stop the spread of a computer virus that threatens a total global meltdown. The job gets much harder when KITT is infected. Meanwhile, Mike's jealousy begins to show when Sarah reconnects with an old flame from her past, who may be the key to solving the latest mission.
The team attempts to take down a money laundering operation in Las Vegas. Billy comes along on this mission and finds himself sidelined in his own operation. Dr. Graiman has his own problems when an ex lover comes to headquarters to assess how environmentally friendly the operation is.
Knight Industries tracks a criminal couple and discovers the felons have ties to the national congressional race. As things get hairier, Mike and KITT must step in to save Agent Rivai.
The team must discover the identity of a murderer inside their own organization, when the body of a Tech is discovered. Mike and Sarah have their own concerns when they are stranded on a commercial flight and KITT's self-destruct program has been initiated.
Mike must stop an ex-military officer from blowing up a dam and finds help from a new friend. Meanwhile, Billy learns how to take care of himself.
Mike finds himself poisoned during an undercover operation, which leaves him with only three hours to live before his nervous system shuts down. To procure the antidote, Mike must fake the assassination of a billionaire tech mogul.
Mike and Zoe arrive in Mexico, masquerading as surfing honeymooners in an undercover mission to thwart a plot to smuggle terrorist weapons into the U.S. Sarah and Billy are also on the case, but surprising developments jeopardize the assignment.
To stop a weapons smuggling operation, Mike infiltrates a drag racing gang with the assistance of a former Army buddy.
Mike Traceur a bitter former Army Ranger and failed race car driver, just got a new lease on life, neither he cares for or wants this chance to make up for his past failings. FLAG wants a new driver, but he is hesitant to join this mysterious group and doubts this super car or he can make a difference...
When a group of ruthless mercenaries kill a reclusive scientist, his creation, a new model of artificially intelligent supercar, escapes to find his daughter and recruit a ex-soldier to thwart them.