What's on this Week? (5/13 - 5/19)

Monday: Castle: “Watershed” (5x24) (Finale)

In the season finale, an interview with a high-profile federal law enforcement agency forces Beckett to reconsider what she wants out of her job and out of her relationship with Castle. Meanwhile, the body of a young woman is found floating inside the water tank of a skid row flop house, but as the team investigate, they discover that her final resting place is just one of many strange things about her death.

Monday: How I met your Mother: “Something New” (08x23) (Finale)

As the gang prepares to head out to Robin and Barney’s wedding, Ted invites Lily to see the house he's finally finished fixing up. Meanwhile, Robin and Barney’s night of relaxation is ruined by an obnoxious couple, and Marshall takes the baby on a last-minute trip to Minnesota to see his family.

Tuesday: New Girl: “Elaine’s Big Day” (02x25) (Finale)

Cece’s wedding day finds Jess and Nick making a decision about their relationship. Meanwhile, Schmidt schemes with a typically overenthusiastic Winston to sabotage the nuptials, although a shocking announcement may be bigger than anything he plans.

Thursday: The Vampire Diaries: “Graduation” (04x23) (Finale)

On Graduation Day, Mystic Falls is overrun with ghosts intent on settling old scores and fulfilling their supernatural destinies. Damon’s life is in danger after a ghostly encounter, while Matt and Rebekah join forces to battle a ghost determined to find the cure. As everyone gathers for the graduation ceremony and the ghosts converge, help comes from an unlikely hero. Caroline receives a touching and unexpected graduation present, and Bonnie’s plan leads to the closing of the veil. Elena makes a decision about the Salvatore brothers and faces an epic confrontation with Katherine. Finally, Stefan discovers a horrifying clue to the mystery surrounding Silas.

Thursday: Grey’s Anatomy: “Perfect Storm” (09x24) (Finale)

Grey Sloan Memorial Hospital enters crisis mode as the storm rages, resources become scarce and patients flood in by the busload. Meanwhile, one of the doctors fights for their life.#

Thursday: The Big Bang Theory: "The Bon Voyage Reaction" (06x24) (Finale)

A new success for Leonard makes Sheldon very jealous and throws Penny for a loop. Meanwhile, Koothrappali pushes Lucy too far in their relationship.