Dreams vs. Nightmares

Dreams vs. Nightmares is the seventeenth episode of the second season of Yuna's Princess Adventure.

Plot
The Nightmare Family (Nightmare Moon, Dark Sombra, Nightmare Trix, Nightmare Hiro, Princess Twivine Sparkle, Princess Black Hole, Nightmare Rarity, Daybreaker and Cerberus the Nightmare Train), Bill Cipher, the Fearsome Crooks, Jackson Storm, Ripslinger, Ned and Zed, Christine and K.A.R.R. are freed and plans to send the Tantabus, the Monster House, the Indominus Rex, the Indoraptor and the Giant Claw into Princess Luna's dreams and turns them into nightmares. Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, the Justice Squad, the Ninjago Team (Lloyd Garmadon, Kai, Jay, Cole, Zane, Nya, Skylor, Ken and Li'l Nelson), Princess Harumi (aka the Lady Iron Dragon) and the Chima Heroes have to save Princess Luna's dreams by going inside her mind before it's too late.

Trivia

 * This episode marks the very first appearance of the Tantabus, the Monster House, the Indominus Rex, the Indoraptor and the Giant Claw.
 * The Nightmare Family, Bill Cipher, The Fearsome Crooks, Jackson Storm, Ripslinger, Ned and Zed, Christine and K.A.R.R. will be free and send the Tantabus, the Monster House, the Indominus Rex, the Indoraptor and the Giant Claw along with the rest of the monsters to invade Princess Luna's dreams and mind.
 * Princess Yuna, her friends, Fizzlepop Berrytwist, Grubber, Lightning McQueen, Mater, Cruz Ramirez, Dusty Crophopper, The Justice Squad, the Ninjago Team (Lloyd Garmadon, Kai, Jay, Cole, Zane, Nya, Skylor, Ken and Li'l Nelson), Princess Harumi (as the Lady Iron Dragon) and the Chima Heroes will use the Mighty Bus to go inside Luna's mind in order to destroy the nightmares, once and for all.
 * Yuna, her friends, Fizzlepop, Grubber, Lightning, Mater, Cruz, Dusty, the Justice Squad, the Ninjago Team, Harumi and the Chima Heroes will battle against the Tantabus, the Monster House, the Indominus Rex, the Indoraptor and the Giant Claw with the help of the Ultimate Shacktron, Blue, Skipper Riley, K.I.T.T. (as Ecto-88), the Autobots, the Maximals, Doc Hudson/The Fabulous Hudson Hornet, Po the Panda and the Furious Five.
 * Princess Celestia, Prince Hiro, Sensei Wu, Sensei Garmadon, Tyrone and Ford Pines will stay to keep an eye on the sleeping Luna while Yuna, her friends, Fizzlepop, Grubber, Lightning, Mater, Cruz, Dusty, the Justice Squad, the Ninjago Team, Harumi and the Chima Heroes goes inside Luna's dream.

Transcript

 * Dreams vs. Nightmares (Transcript)