The city's new mayor demands the gunman be found, while his councilmen reprimand him for disarming the police and setting up the cryo-prison where the inmates "sleep away" their sentences and emerge the same people as before.

The Knight 4000 has most of KITT's original features, but adds an amphibious mode that allows the car to drive on water, a heads-up display, and a stun device that can remotely incapacitate a human.

Watts shoots Shawn after she discovers that some of her colleagues are working with the assassin to rearm criminals so the city will give the police their guns back.

Shawn quits the police force after she learns her chief, Daniels, did not want to authorize her brain chip implant nor get involved in her case.

Watts learns Shawn is alive and sends the corrupt cops to eliminate her and Michael, who are chased down when they try fleeing in KITT.

Maddock sends KITT a copy of the prison release papers for Watts, signed by the murdered mayor.

Michael has KITT print more copies, sending one with a fake signature to Daniels using her name, and a similar one to the mayor, this time with his name.

After Watts' defeat, the mayor is incarcerated, Michael returns to retirement, and KITT remains at the Knight Foundation with Shawn and Maddock.

Actor James Doohan makes a cameo appearance as an innocent bystander that KITT mistakes for a criminal stealing money from an ATM.

When Michael and Maddock pick up the man to arrest him, they find Mr. Doohan, delirious (from being stunned), and mumbling various lines from his role of Scotty on Star Trek.

After lying abandoned and unmaintained for 10 years, one of the cars was offered for sale in January 2021 by Bob's Prop Shop in Las Vegas.

Hasselhoff as a compromise, suggested to NBC entertainment chief Brandon Tartikoff to do four Knight Rider movies-of-the-week.

Instead, the story is about a former cop turned psychotic killer who brings terror to the city of San Antonio in the year 2000.