(English is not my native language, sorry for possible translation errors! I'm also sorry if I'm wrong about something, I can't find the complete episodes of TMNT and none of the platforms I have have the series.)

You and the turtles had been sent to a dimension where, apparently, anthropomorphic animals ruled and there were no humans. Jei, an evil wolf, brought them in and controlled their minds to kill Miyamoto Usagi (or Usagi Yojimbo) for him. Fortunately, the samurai rabbit managed to free them from the mind control. Now they were on their way to the Temple of the Buddha of Heaven, which is on the top of a mountain, to take the Golden Boy, Kintaro, there to discover his abilities. They also had to find a way to get back home.

Leonardo and Usagi were in the front, both talking about something. Michelangelo and Kintaro were behind them, arguing about nonsense. Raphael and Donatello were behind everyone, Raphael was silent with his usual serious look, and Donatello was just looking around curiously.