The Princess and the Frog | 8pm on ABC Family

A fateful kiss leads a young woman and a royal amphibian on an adventure through the bayous of Louisiana.

Friday Night Lights | 9pm on ESPN Classics

Team members prepare for their first playoff game; coach Taylor struggles between readying for the game and dealing with Smash’s situation; Tyra and Julie start an unlikely friendship; Riggins reconnects with his estranged father.

American Idol | 8pm on Fox

Season finale: The top 12 reunite on stage; Ryan Seacrest announces Phillip Phillips or Jessica Sanchez as the IDOL winner; Rihanna performs; Scotty McCreery performs. (Note: IDOL expected to run 10 min later, set your DVRs accordingly.)

House | 8pm on Fox

2 hour Series Finale: A look back at the story so far; while treating a patient addicted to drugs, House is forced to look at his own life, future and personal demons.

Billboard Music Awards | 8pm on ABC

Festivities at the MGM Grand in Las Vegas recognize artists for the fan support they’ve garnered; musical performances include Carrie Underwood, Justin Bieber, LMFAO and the Wanted; musician Stevie Wonder receives the 2012 Billboard Icon Award.

Glee Marathon | 12pm – 12am on Oxygen

  Britney/Brittany; Grilled Cheesus; The Substitute; The Purple Piano Project; Mash-Off; Hold on to Sixteen; Michael; Heart; On My Way; Saturday Night GLEE-ver; Dance with Somebody; Prom-asaurus

So You Think You Can Dance | 8pm on Fox

Season Premiere: The 10th season of SO YOU THINK YOU CAN DANCE kicks off with the first round of auditions.

The Firm | 9pm on NBC

Abby takes the stand in the case against Kevin Stack; Mitch uncovers the details of Stack’s plan.

The Finder | 8pm on Fox

Series Finale: Walter’s dying father asks him to find his first love, Walter’s mother; Uncle Shadrack continues to force marriage on Timo and Willa

Person of Interest | 9pm on CBS

(Repeat) Reese and Finch try to unravel a threat to a promising young doctor.

Holy Musical B@man | 9pm on YouTube

World Premiere: From the creators of A Very Potter Musical comes a brand new parody – Holy Musical B@man! Have a little fun w/ B@man and his super hero friends…if he has any. Watch here.

Goonies | 7pm on G4

Coastal Oregon kids follow the treasure map of pirate One-Eyed Willie past his deadly traps to gold. Starring: Sean Astin, Josh Brolin, Jeff Cohen, Corey Feldman, Kerri Green

Bent | 9pm on NBC

When Pete catches Ben in a compromising situation, he decides to tell Alex; Walt and Screwsie help Charlie with a bully.

Alcatraz | 8pm on Fox

2-hour Season Finale: Rebecca and Doc close in on a man who might have information about all the returning criminals; Hauser makes an important discovery; Rebecca ruthlessly pursues the man who killed her partner.

The Mentalist | 9pm on CBS

Jane and the team investigate when a terminally ill salesman is murdered; Cho must face his demons.