What's on this Week? (2/21 - 2/27)

Monday: How I met your Mother: "Garbage Island" (06x17)

After Marshall sees a documentary about garbage, he becomes fixated on saving the environment. Meanwhile, Ted runs into Zoey's ex-husband, The Captain, and Robin forces Barney to admit he has feelings for Nora, the girl who made history as his first Valentine's Day date ever.

Monday: Gossip Girl: "While You Weren’t Sleeping" (04x16)

It wouldn’t be a proper Upper East Side party without some major Gossip Girl drama, and for Eric’s 18th birthday celebration there is plenty to go around. Blair decides to speed up the time table on her career path to becoming a powerful woman.... but ultimately stretches herself too thin. Serena is forced to choose between her family and Ben. Chuck and Lily’s relationship remains icy in the aftermath of Lily’s betrayal.

Monday: House: "Two Stories" (07x13)

House participates in a school’s Career Day and breaks a few rules by sharing explicit medical stories. Waiting outside the principal’s office, he meets two fifth-grade students who assess House’s relationship woes and try to help him understand how his selfish antics get in the way of showing Cuddy how he really feels.

Monday: Chuck: "Chuck vs. The Masquerade" (04x16)

Valentine’s Day is interrupted when Chuck and the team are sent on a mission to England to protect a reclusive young heiress, Vivian McArthur. Meanwhile, Casey gets an offer from the mysterious Jane Bentley. Back at home, Ellie and Awesome find an unlikely solution to a parenting problem, as Morgan ponders a big move.

Monday: Castle: "Setup" (03x16)

Castle and Beckett investigate the apparent robbery-homicide of a New York cab driver, only to discover that the victim was involved in a mysterious conspiracy with unimaginable consequences. As the stakes continue to rise, hard-charging federal agent Mark Fallon takes over the investigation. Together, Fallon, Beckett and Castle must race to unmask the truth about the victim before it’s too late.

Thursday: The Big Bang Theory: "The Toast Derivation" (04x17)

Sheldon struggles to cope when he realizes it's actually Leonard who is the center of their social group.

Thursday: Grey's Anatomy: "Not Responsible" (07x16)

Meredith must choose between her fertility treatments and her eyesight when she begins having trouble seeing, Mark makes it clear to Callie and Arizona that he takes his role as father-to-be very seriously, and April discovers there's more to Dr. Stark than first appears.

Thursday: Private Practice: "Two Steps Back" (04x15)

Charlotte and Cooper look to forgive each another after revealing secrets during couples therapy, Violets seeks the forgiveness and approval of her fellow doctors after they learn her novel-in-progress will make all of their personal lives public, Sheldon treats a patient who claims to have multiple personality disorder, and Sam and Naomi team up on a case involving a pregnant teen with Down's Syndrome.

Friday: Fringe: "Subject 13" (03x15)

In a follow up to last season’s "Peter" flashback episode, the all-new "Six Months Later" episode revisits a poignant period of time for both the Bishops and Olivia.