Leonardo gets lost following a distress signal while Krang invents a "Hyper-Thruster". Krang tries to blow the Earth off its axis and melt the ice. The Technodrome is not at the bottom of the sea, but is at the North Pole
Did You Know?
When the three turtles descend the hole and encounter the dinosaurs for the first time, Michelangelo is wearing a blue mask, appearing to be Leonardo. But Leonardo is still missing at that point and Bebop (who looked like Leonardo for a short time) has already changed back to himself. See more
Next time you leave, Leonardo, make sure to leave a note.