Tuesday’s TV highlights

SERIES

The Biggest Loser: In the season finale, contestants reunite to weigh in one more time and the winner is revealed (8 p.m. NBC).

American Idol: The remaining finalists perform (8 p.m. Fox).

Hellcats: The world of cheerleading is featured in this drama about a law student (Aly Michalka) who becomes a cheerleader, in this rebroadcast of the series premiere (9 p.m. KTLA).

Dancing With the Stars: The winner is named in the dance competition’s finale (9 p.m. ABC).

Glee: New Directions is off to Nationals to face some tough competition for the big title. Matthew Morrison and Lea Michele star in the season finale (9 p.m. Fox).

Frontline: In the new report “Wikisecrets,” Martin Smith interviews Wikileaks founder Julian Assange and Army intelligence analyst Bradley Manning (9 p.m. KOCE).

Bizarre Foods With Andrew Zimmern: In this new episode, Andrew Zimmern returns to his native New York to try his hand at cooking, waiting and street vending to see if he can still cut it (9 p.m. Travel).

The Voice: Reba, Sia Furler and Adam Blackstone help the coaches choose which vocalists should advance in this new episode of the singing competition (10 p.m. NBC).

Pregnant in Heels: In the season finale Rosie works with Matt, an actor who needs to learn all about parenting when his wife announces she’s pregnant and will be going back to work after the baby is born (10 p.m. Bravo).

SPORTS

2011 French Open Tennis: First round (9 a.m. ESPN2).

Baseball: The Dodgers visit the Houston Astros (5 p.m. KCAL); the New York Mets visit the Chicago Cubs (5 p.m. WGN A); the Oakland Athletics visit the Angels (7 p.m. FSN).

Basketball: NBA playoffs: The Chicago Bulls visit the Miami Heat (5:30 p.m. TNT).

Hockey: NHL playoffs: The San Jose Sharks visit the Vancouver Canucks (6 p.m. VS).