Army Wives (9pm, Lifetime) - Emmalin and Michael's disagreement about their futures puts Claudia Joy in the middle.

MTV Movie Awards (9pm, MTV) - SNL's Jason Sudeikis (right) hosts the 20th annual film awards show from Los Angeles. Honorees include Reese Witherspoon, who will receive the MTV Generation Award. Performances from Foo Fighters, Lupe Fiasco, and Trey Songz. Presenters include Ryan Reynolds, Steve Carrell, Cameron Diaz, Jesse Eisenberg, Selena Gomez, Jason Segal, and Aziz Ansari.

The Glades (10pm, A&E) - Oh great, that show I hate is back! Oops. I meant to say, 'Oh great, this very popular quirky cop drama from A&E returns for its second season!' In tonight's opener, the daughter of a Cuban mobster is murdered, and Jim must solve the case to prevent a war between rival mob families.

The Killing (10pm, AMC) - Three episodes left to find out who killed Rosie Larsen. The investigation takes an interesting turn when Sarah and Holder learn more about Rosie's whereabouts on the night of her murder, but everything must be put on hold when Sarah's son goes missing and the detectives go searching for him.

In Plain Sight (10pm, USA) - Mary reluctantly teams up with a remorseless con artist to go after an even bigger criminal. Guest star: D.W. Moffett.

Why Not? With Shania Twain (10pm, OWN) - Shania goes to New York for a photo shoot and meets with music producer David Foster about her single, "Today," and must summon up the courage to sing for him. Later, she relaxes with friends Bo Derek and John Corbett in Santa Barbara, California.

Teen Wolf (11pm, MTV) - The series premiere a new show about an unpopular teen (Tyler Posey) who is bitten by creature in the woods and the next day, starts to notice strange changes in his body. Loosely based on the popular 1985 movie starring Michael J. Fox.