Fringe | 9pm on FOX

Season Finale: The first-season finale includes an appearance by the much-discussed, but never seen, Massive Dynamics founder, William Bell (Leonard Nimoy), the return of David Robert Jones and a mysterious vanishing act by Walter.

Once | 8pm on HBO Signature

An Irish street musician and a Czech immigrant collaborate on a number of songs that reflect the story of their blossoming love. Glen Hansard, Marketa Irglova, John Carney, John Carney, Martina Niland

Sit Down, Shut Up | 8:30pm on Fox

Miracle distributes what she thinks are flowers to the staff to celebrate spring; Helen’s grudge against Sue jeopardizes the school’s spring fundraiser

Waitress | 9pm on More Max

A pregnant waitress is caught between her controlling husband and the new town doctor, with whom she is having a steamy affair. Keri Russell, Nathan Fillion, Cheryl Hines, Adrienne Shelly, Lew Temple

The No. 1 Ladies’ Detective Agency | 8pm on HBO

A young woman worries about her unusually fearful father; a doctor asks for an investigation into his patients’ mysterious deaths.

Independence Day | 8pm on A&E

Aa disparate group of individuals and families converge in the Nevada desert and, along with the rest of the human population, participate in a last-chance retaliation against aliens.

Never Back Down | 9pm on Starz

At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran. Djimon Hounsou, Sean Faris, Amber Heard, Cam Gigandet, Leslie Hope

ER | 8pm on NBC

Series Finale: At 8pm ER takes a look back at the series with clips & interviews with past and present stars. And at 9pm, in the final episode, Gates treats a young teen with alcohol poisoning; old friends come to show their support when Dr. Carter opens a medical facility for the underprivileged; Sam gets […]

Cupid | 10pm on ABC

Trevor, who believes he’s Cupid, the Roman god of love-is released from a three-month stint in a mental institution on condition that he attends a therapy group led by psychiatrist Claire McCrae. He picks up with the same case that put him in the lockup: connecting a street musician with his true love, whom he […]

Moulin Rouge | 8pm on IFC

In 1890s France a courtesan falls in love with a young writer but strings along a duke who can finance improvements to the night spot. 

The Biggest Loser | 9pm on NBC

The players pull cars loaded with extra weight assigned to them by their teammates in a challenge featuring NASCAR’s Clint Bowyer. Later, the teams are dissolved, leaving the contestants to compete as singles; a player breaks a record at the weigh-in.

Little Women | 10pm on HBO Family

Louisa May Alcott’s classic story of the lives, loves and triumphs of four sisters in Civil War-era New England. From the Louisa May Alcott book. Winona Ryder, Gabriel Byrne, Trini Alvarado, Samantha Mathis, Kirsten Dunst

Battlestar Galactica | 9 – 11:11pm on Sci Fi

SET THE DVRs: Start time @9pm and end time at 11:11pm. Adama and the volunteers take the Galactica to Cavil’s base in a bid to recover Hera in the finale of the fourth season and the series.

Life | 9pm on NBC

Crews and Stark experience the world of extreme corporate power while investigating the stabbing death of a soldier killed while on leave in Los Angeles.

Knocked Up | 8:30pm on HBO Signature

A rising entertainment journalist and an irresponsible slacker ponder their future after a boozy one-night stand results in a pregnancy.