Castle: The Double Down

10:00pm – Monday, September 28 on /A

Also airs at 11 p.m. AT on /A Atlantic and 8 p.m. MT on ACCESS

When two separate murders are committed on the same night, Castle (Nathan Fillion) wagers Ryan (Seamus Dever) and Esposito (Jon Huertas) that he and Beckett (Stana Katic) will solve theirs first. The frenzied race to catch their respective killers and win the bet leads each investigative duo to a likely suspect, only to find that they both have airtight alibis. But bizarre twists in both cases force the two teams to work together to unravel the mind-bending mystery behind each murder.

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