Mystic Britain (2019)

S4E17 Hills of Fire

Michael and K.I.T.T. are assigned a straightforward mission to monitor a national park for a few days. However, their task takes a dangerous turn when they encounter an arsonist, who flees in an All-Terrain Vehicle across rugged terrain that K.I.T.T. cannot navigate. As they delve deeper into the investigation to uncover the identity of the firestarter, Michael faces the challenge of clearing the name of a reformed teenage vandal wrongly accused of igniting the flames...