TOP PICK: ‘Dancing with the Stars‘ (8pm ET on ABC) **Season Premiere**

A star-studded cast filled with celebrities across a variety of genres — including a boxing legend, a talk-show personality, a Super Bowl Steeler, a former Playboy bunny and a legendary comedic actress – are set to compete each week on the dance floor in the spectacular two-hour season premiere. All 11 couples will dance for the first time on live national television, with couples either performing the Foxtrot or the Cha Cha Cha.

KEY EPISODE: ‘Pretty Little Liars‘ (8pm on ABC Family) **Season Finale**

Now that Aria, Emily, Hanna and Spencer are in possession of the information that Alison left them, the girls decide that it’s time to finally put an end to “A” and the mystery surrounding their friend. But without certain proof that their hunch is right, how can the girls catch “A” in his/her own game?

WATCH: ‘House‘ (8pm ET on Fox)

A young homeless man who is a former drug addict is found in a park showing signs of olfactory impairment and horrific scars and burn marks on his chest. With an uncertain identity and the patient’s severely worsening conditions, the team looks to the patient’s personal records and family history in order to understand his detachment.

DVR: ‘Hawaii Five-0‘ (10pm ET on CBS)

Five-0 must unravel the mystery of why a mild-mannered sci-fi fan wearing a cape was given truth serum before being tossed out of a 21st-story window. Meanwhile, McGarrett gets an unexpected visit from a CIA agent who shares his personal interest in tracking down the Yakuza who had his parents killed.

DVR: ‘The Event‘ (9pm ET on NBC)

Watch Episodes On Demand

Thomas summons Sophia, Diane Geller (guest star Gabrielle Carteris), and the other Sleepers to reveal the contents of the game-changing message he received. With newfound intensity, President Martinez confronts Vice President Ray Jarvis about his betrayal.

Talk Show Listings:

The View: Dick Cavett

The Ellen DeGeneres Show: Jimmy Fallon

Late Show with David Letterman: Dana Carvey

The Tonight Show with Jay Leno: Zachary Levi

Jimmy Kimmel Live: Liv Tyler

Late Night with Jimmy Fallon: Kiefer Sutherland

Lopez Tonight: Emmy Rossum

Tavis Smiley: Ted Danson

Chelsea Lately: Avril Lavigne

Conan: Sarah Silverman