[s1e1] Rise Of The Turtles, Part 1 -

: Michelangelo discovers that the kidnappers are not human, but androids piloted by brain-like creatures—a race later identified as the Kraang . He also finds a canister of the same glowing "ooze" (mutagen) that originally transformed them and Splinter fifteen years prior.

In the series premiere of the 2012 , titled " Rise of the Turtles, Part 1 ," the four turtle brothers venture to the surface of New York City for the first time on their 15th "Mutation Day". After a lifetime of training in the sewers, Master Splinter reluctantly allows them to explore the world above, where they quickly encounter a mysterious kidnapping plot and an alien threat they are unprepared for. Plot Summary [S1E1] Rise of the Turtles, Part 1

: Returning home in shame, the Turtles argue over who is at fault. Splinter realizes he has trained them to fight as individuals and decides they need a leader to unite them. He officially appoints Leonardo as the leader of the team. Characters Introduced Rise of the Turtles, Part 1/Transcript - TMNTPedia : Michelangelo discovers that the kidnappers are not