CHiPs (1977)

S3E22 Thrill Show

Impostors disguised as tourists board sightseeing buses and, once the bus is in motion, they pull out guns and threaten the passengers for their valuables. Meanwhile, Bonnie contemplates quitting the police force to pursue a role in a nearby stunt show. Meanwhile, Jon and Ponch are hot on the trail of the gang responsible for these bus heists.