Teenage Mutant Ninja Turtles (2003): Season 6, Episode 6

6 - 6: Bishop to Knight

The Turtles are shocked to find out one of their old foes from the past is still alive and well in the year 2105. Bishop has become a top agent in Earth's government, and even though he isn't after the Turtles, they don't trust him. But Bishop offers the Turtles an ultimatum if they wish to stop crime...