Thursday's TV highlights: 'The Four: Battle for Stardom' on Fox and more

Jay Leno’s Garage Leno cruises to a new night as he returns with a run of six new episodes of his auto-centric series. Guests include supercross rider Travis Pastrana, stunt driver Debbie Evans and comic Gilbert Gottfried. 7 and 10 p.m. CNBC

The Big Bang Theory Sheldon (Jim Parsons) and...