• At 8, ABC has Vacation Swap, followed by a new episode of The Bachelorette.
• NBC has a new American Gladiators at 8, then a new Dateline.
• ABC Family has a new Greek at 8, then a new Wildfire.
• Also at 8: TV Land has an Andy Griffith Show marathon.
• At 8:30, ESPN has the NBA Playoffs.
• At 9, Larry King Live has all the finalists from American Idol.
• USA has a new Monday Night RAW at 9.
• A&E has the premiere of The Andromeda Strain at 9.
• At 10, Diners, Drive-Ins, and Dives.
• E! has the premiere of Denise Richards: It's Complicated, then the premiere of Living Lohan.
• Also at 10: MTV has two new episodes of The Paper.

Check your local TV listings for more.