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
: 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 [S1E1] Rise of the Turtles, Part 1
: After convincing Splinter to let them go topside, the Turtles are mesmerized by the surface world and discover pizza for the first time. However, their fun is cut short when they witness April O’Neil and her father, Kirby, being kidnapped by mysterious men in black suits. In the series premiere of the 2012 ,
: 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. Splinter realizes he has trained them to fight
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