The Simpsons (8pm, Fox) - Jonah Hill lends voice to a legendary prankster from Springfield Elementary who at age 19, shows Bart that he hasn't outgrown his mischievous ways.
Did the Mob Kill JFK? (8pm, Discovery) - On the 46th anniversary of John F. Kennedy's assassination, Discovery has two specials looking at his death. First, an examination of evidence suggesting a mob connection to the shooting, and then at 9pm, "JFK: The Ruby Connection" looks at motives of Jack Ruby in his murder of Lee Harvey Oswald.
American Music Awards (8pm, ABC) - Performers include Black Eyed Peas, Lady Gaga, Eminem, Janet Jackson, Whitney Houston, Carrie Underwood, Jay-Z, and many more. Michael Jackson is posthumously nominated for five awards.
Curb Your Enthusiasm (9pm, HBO) - In the one-hour seventh season finale, Larry misses out on time with Cheryl to do a favor related to the "Seinfeld" reunion.
The Oprah Effect (10pm, CNBC) - A look at how Oprah Winfrey can turn entrepreneurs into millionaires.
Brooke Cain isn't always proud of the number of hours she logs in front of the TV, but her loss of brain cells can be your gain. From reality shows to sitcoms to the more serious stuff, Brooke keeps her DVR smoking so that she can help keep you in the know. Brooke also tweets for Happiness is a Warm TV (you can follow 
