David Tennant makes his first guest appearance in the season 3 finale of Teenage Mutant Ninja Turtles premiering on YTV in Canada today at 11.00am ET/PT.

Episode Summary 
YTV draws an epic conclusion to the third season of Teenage Mutant Ninja Turtles with a one-hour finale on Saturday 3rd October at 11:00am (ET/PT). In the special double episode, Annihilation: Earth! – Part 1 & 2, when the Turtles get word of the Kraang’s return, they realize there is an even bigger threat coming to Earth!
David Tennant also makes his debut appearance as The Fugitoid, a former alien scientist named Dr. Honeycutt, whose brain is saved and placed into the body of a robot when his body gets destroyed.


Fugitoid appears in the final seconds of the episode, arriving to pick up the four Turtles and their companions, saving them on the brink of a global catastrophe. Right now, he appears to be the only ally that they have as the series heads towards its new season, starting next month. 
David Tennant will guest star as Fugitoid in a story arc across 13 episodes of the new series.