Police take on some stressful cases in this special "Stupid Behaviour" edition. An older gentleman crashes his car into a sign and then takes off on foot before complaining of chest pains. In Vegas, cops stop a van for multiple violations. Fox, 7 p.m.
In this special two-hour edition, Barbara Walters presents Best in TV: The Greatest TV Shows of Our Time. Fans cast more than a million votes online for their favourites. Interview subjects include Carol Burnett and Lorne Michaels. ABC, 8 p.m.
This new family-fun reality/competition series seeks to capitalize on the popularity of geocaching -- a worldwide game in which "hunters" use GPS technology to locate hidden "cache" containers. Ryan Horwood hosts. YTV, 8 p.m.
Saturday Night Live
It's always a treat for SNL fans when multi-talented Justin Timberlake turns up on the show. This time, it isn't just a video-gag appearance; he has an album and tour to promote, so he'll host and provide musical input. NBC, 10:35 p.m./Global, midnight.