Primetime Preview: Season Finale of 90210

Ready to program that DVR? Between season finales and a major series premiere, it's a big night of TV ahead...

• 8:00 p.m. Adam and Kris on American Idol (Fox); the sixth season finale of NCIS (CBS); Sam gets a message from his dad on Reaper (The CW).
• 9:00 p.m. A champion is crowned on Dancing with the Stars (ABC); the first season finale of 90210 (The CW); the first season finale of The Mentalist (CBS); the series premiere of Glee (Fox).
• 10:00 p.m. A new episode of The Real Housewives on New Jersey (Bravo).

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.