2009 American Music Awards (8 p.m., ABC): Even in death, Michael Jackson wields his influence.

2009 American Music Awards (8 p.m., ABC): Even in death, Michael Jackson wields his influence. He’s nominated in five categories of the “2009 American Music Awards,” including artist of the year. Scheduled performers at the 37th annual gala include the Black Eyed Peas, Adam Lambert, Jay-Z, Green Day and more.

“Dexter” (9 p.m., Showtime): The killer head games continue on “Dexter” as our guy studies those closest to Arthur in order to gain some insights into his murderous deeds.