Tonight's Picks: Monday, May 21

24 -- Day 6 - 4:00 AM to 6:00 AM
The sixth season concludes with a big two-hour episode. Cut off from Josh, Bauer fights to thwart a Russian attack on a U.S. base in central Asia. As long as the bomb doesn't go off during a commercial break, everything should be alright.

Heroes -- How to Stop an Exploding Man
In the first-season finale, the heroes all converge in New York for the big bang. Peter and Sylar face off; which of them will explode? Who will survive? Will the cheerleader save the world?

The Bachelor: Officer and a Gentleman -- Finale
The season ends as Andy chooses his bride-to-be. But first, he takes Bevin and Tessa to meet his family in Pennsylvania, and then it's off to a Hawaiian paradise for their finale dates.