while searching for april and kirby, they meet snake, a guy who works for the kraang. raph threatens to pour mutagen on him if he doesn't tell the turtles information about the kraang. snake confesses, telling them everything he knows, before michelangelo accidentally lets him escape. at the lair, splinter tells leo that failure is a possibility that every leader must face, and tells him the story of how he and oroku saki the shredder were once friends, but became enemies.