Ultimatum is the eighth episode of the sixth season. It was released on 13 November 2009.

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 scenesEdit

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