The fifth season of American crime- comedy-drama television series Castle, was ordered on May 10, 2012, by ABC. [1] The season aired from September 24, 2012, to May 13, 2013. [2]

Season 5 picks up on the proverbial morning after, with Castle and Beckett facing new questions -- Was this a one-time fling, or are they now a couple? But before they find the answers, they must take on …

After Tessa Horton is murdered in a bizarre fashion at her apartment, evidence piles up, all pointing at Castle. He denies knowing her, let alone having had an affair, but there are fingerprints, security …

Stream full episodes of Castle season 5 online on The Roku Channel. The Roku Channel is your home for free and premium TV, anywhere you go.

As they try to keep their new relationship under wraps from their co-workers, the unlikely duo must track down the murderer of Beckett's mother, find the perpetrator of a major conspiracy and untangle a line …

Castle & Beckett face new questions about their relationship. The fun and conflict escalate as the crime-solving dynamic duo navigates a whole new chapter in their lives.

Season 5 guide for Castle TV series - see the episodes list with schedule and episode summary. Track Castle season 5 episodes.