Ultimatum

The team gets into a turf war with a prison warden, and the casualty may be Ian Edgerton and the member of Don's team that he's taken hostage in a desperate attempt to prove himself innocent of murder charges.

Behind the scenes

 * This was Agent Edgerton's last major appearance in the series, followed by a cameo in the finale. The title is pure and literal.

Crazy Credits
[This appears on the beginning of the episode] 500,000 dollars 6000 inmates 1 missing prisoner 60 minutes to find him