Disney XD, Nicktoons & Teletoon/The Little Mermaid 2: Return to the Sea

Cast

 * Sashi Kobayashi (from Penn Zero: Part-Time Hero) as Ariel
 * Penn Zero (from Penn Zero: Part-Time Hero) as Eric
 * ???? as Melody
 * Jeff Randell (from Clarence) as Young Flounder
 * ???? as Adult Flounder
 * Milo, Bea Goldfishberg and Oscar (from Fish Hooks) as Sebastian
 * SpongeBob SquarePants (from SpongeBob SquarePants) as Scuttle
 * Spencer Wright (from Dude, That's My Ghost) as King Triton
 * ???? as Morgana
 * ???? as Undertow (large)
 * ???? as Undertow (small size)
 * ???? as Tip
 * ???? as Dash
 * Spike (from Rugrats) as Max the Sheepdog
 * Brock Zero (from Penn Zero: Part-Time Hero) as Grimsby
 * Vonnie Zero (from Penn Zero: Part-Time Hero) as Carlotta