While practicing their martial arts, Leonardo tells Splinter that he is convinced that there is one combat maneuver he has yet to teach the Turtles. Splinter ponders this for a moment and then agrees to teach him the one technique for which there is no defense, the Viper Maneuver. However, despite being Splinter's most gifted pupil, the Viper Maneuver seems to be beyond Leonardo's ability. Splinter suggests that maybe there is some hidden fear that prevents him from accomplishing the maneuver. Leonardo is insulted and quickly defends his honor by stating that he is not afraid of anything! Splinter informs Leonardo that he will not be able to perform the Viper Maneuver until he confronts his deepest, darkest fear and overcomes it. Meanwhile, April O'Neil reports on a break-in at the city zoo's reptile house. It seems that someone made off with over six hundred species of snakes. Donatello, Raphael and Michaelangelo are very curious about this robbery while Leonardo seems to be visibl
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