It’s May sweeps for television, which means the season and series finales for some of your must-see shows. What’s coming this week in original network programming on CW50?

Monday, May 13th  8:00pm-10:00pm

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“90210” — This show is ending its run for good, so tune in to say goodbye to your favorites: Shenae Grimes, Tristan Wilds, AnnaLynne McCord, Matt Lanter, Jessica Lowndes, Jessica Stroup and Michael Steger. Prince Michael Jackson is a guest star and the Goo Goo Dolls perform. The series finale begins with the stars and executive producers bidding farewell to the famous zip code in a look back at the show’s many unforgettable moments. Then, in a memorable send-off, our group from Beverly Hills will come together again after a traumatic event, making them realize the importance of their relationships.

Wednesday, May 15th  8:00pm-9:00pm & 9:00pm-10:00pm

“Arrow” – The first season ends with Oliver and Diggle trying to stop the Dark Archer from carrying out his vengeance on the Glades. Meanwhile, Thea races to find Roy and inadvertently puts herself in danger from Malcolm’s evil plan. On the island, Oliver, Slade, and Shado become embroiled in a life-or-death struggle with Fryers, who has missiles locked on a Ferris jetliner.

“Supernatural” – The eighth season ends with Crowley poised to undo all of the good Sam and Dean have accomplished as hunters. But the Winchester brothers try one final play against the Demon King. Plus, Metatron gets Castiel to help him take on Naomi and the bureaucracy of heaven.

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Thursday, May 16th  8:00pm-9:00pm & 9:00pm-10:00pm

“The Vampire Diaries” – The fourth season ends on graduation day when ghosts overrun the town and try to settle old scores and fulfill their supernatural destinies. Elena makes a decision about the Salvatore brothers and confronts Katherine while Stefan discovers a horrifying secret about Silas.

“Beauty and the Beast” – In the season one finale, secrets about Cat’s family are revealed. Then, Gabe takes drastic measures.

Friday, May 17th  8:00pm-9:00pm

“Nikita” – Amanda puts her final plan into effect as the third season ends. Her diabolical plot places Nikita in a life-threatening situation and forces her to choose between saving Michael or herself. The team tries to stop Amanda, but with a diminished Division, fears she may have them out-gunned.

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Watch CW50 all week long so you’ll be up to date on what’s happening when your favorite shows return in the fall.