Vengeance is Mine

Vengeance is Mine is the 22nd episode of the second season, and the 48th episode of the series overall. It aired on June 29th, 2014.

Official Description
Leo stages a rescue for Karai against Splinter's wishes.

Characters

 * Leonardo
 * Donatello
 * Raphael
 * Michelangelo
 * Master Splinter
 * Karai
 * Shredder
 * Rahzar
 * Tiger Claw
 * Fishface
 * Stockman Fly
 * The Foot Bots

Trivia

 * Karai mutates into a snake.
 * Mikey Injures his arm for the 2nd time.
 * When Mikey is seen getting scratched by Rahzar in Slow Motion, he expresses his pain by saying "TO... KKA..." as a reference to Rahzar's partner, who appeared in previous incarnations.
 * Karai has serpent heads instead of hands, much like the character Scale Tail, a snake-like alien bounty hunter from Dimension X who has an action figure in the Playmates 1987 toyline.
 * Michelangelo hums the theme song from the 1987 cartoon on two different occasions in this episode: while distracting Rahzar and Fishface, and after hitting Leonardo with a water balloon.
 * Besides the Manhole covers & the cannon that fires compressed garbage, the Shellraiser has numerous weapons;
 * Smoke Screen
 * Snaggletooth
 * Soul Flayer
 * Pizza Grease
 * Rad Weekend
 * Jacks'D Up
 * Das Boot