The Ceremony of the Two Sister and Cousins

Ecto-88 vs. K.A.R.R. is the twenty-third episode of the third season of Yuna's Princess Adventure.

Plot
When K.A.R.R. returns from Tartarus, he, the Fearsome Crooks, the League of Villains, Jackson Storm, Ripslinger, Ned and Zed and Christine has a score to settle: steal the Journals, free the Nightmare Family and Bill Cipher, rule Armageddon and Weirdmageddon and destroy K.I.T.T., Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, Princess Solarna, Princess Sharon, Stellar Fog, Flower Stone, Moonbeam, the Mane 10's human counterparts and the Crystal Prep Girls. It's up to Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, Princess Solarna, Princess Sharon, Stellar Fog, Flower Stone, Moonbeam, K.I.T.T. (as Ecto-88), the Mane 10's human counterparts and the Crystal Prep Girls (with the help of the Ninjago Team, Harumi/The Lady Iron Dragon, the Chima Heroes, the High Five, Capper, Celaeno, Princess Skystar and the Justice Squad) to save Equestria, Fantasyland, Disneyland aka the World of Disney and Universal Studios from K.A.R.R. and the villains before it's too late.

Trivia

 * This episode marks the first appearance of the High Five.
 * Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, Princess Solarna, Princess Sharon, Stellar Fog, Flower Stone, Moonbeam, K.I.T.T./Ecto-88, the Mane 10's human counterparts, the Crystal Prep Girls, the Ninjago Team, Princess Harumi/The Lady Iron Dragon, the Chima Heroes, The Justice Squad, Capper, Captain Celaeno and Princess Skystar will save Equestria, Disneyland and Universal Studios from K.A.R.R., The Fearsome Crooks, The League of Villains, Jackson Storm, Ripslinger, Ned and Zed and Christine by protecting the Journals.
 * Yuna, Solarna, Parzival and K.I.T.T. (as Ecto-88) will battle against K.A.R.R. and send him and Christine to Tartarus, once and for all.
 * K.A.R.R., the Fearsome Crooks, the League of Villains, Jackson Storm, Ripslinger, Ned and Zed and Christine will plan to steal the Journals, free the Nightmare Family and Bill Cipher, rule Armageddon and Weirdmageddon and destroy K.I.T.T., Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, Princess Solarna, Princess Sharon, Stellar Fog, Flower Stone, Moonbeam, the Mane 10's human counterparts and the Crystal Prep Girls.

Transcript

 * Ecto-88 vs. K.A.R.R. (Transcript)