[s1e12] Double Down Link

: Castle and Beckett compete with another detective team to solve a case first.

: Detective Briscoe and ADA McCoy arrest one suspect, Henry Harp, who offers the driver’s location in exchange for a plea deal. However, when Titus is found dead, the DA's office suspects Harp knew he was already dead when he made the deal. [S1E12] Double Down

This classic procedural episode first aired on (Note: Though it is the 12th episode of Season 1 for some regional syndications, it is often listed as part of Season 7 in master guides). : Castle and Beckett compete with another detective

: An off-duty police officer is killed during a liquor store robbery. The perpetrators hijack a cab and kidnap the driver, Mitchell Titus. This classic procedural episode first aired on (Note:

: The episode explores whether a plea deal is enforceable if it was made under "extortion" or false pretenses. Other notable "Double Down" episodes (different seasons):

: Charlie and the team investigate a murder at a casino that reveals Larry’s dark past.

: A recent high-stakes episode (Nov 2025) involving Dr. Lenox taking risks that lead to her being attacked.