After Sofia helps a little mermaid named Oona, Sofia's amulet grants her the power to transform into a mermaid and visit her new friend's underwater kingdom. But when Cedric (disguised as a seamonster) plots to steal Oona's enchanted Mermaid Comb, danger surfaces for both worlds. With a little help from special guest, Princess Ariel, Sofia embarks on an adventure to rescue Oona and prevent a typhoon before it's too late.
Writing
Cedric's sea monster disguise: peak pathetic villainy.
Director
Larry Leichliter
Ariel Winter
Princess Sofia (voice)
Travis Willingham
King Roland II (voice)
Sara Ramirez
Queen Miranda (voice)
Darcy Rose Byrnes
Princess Amber (voice)
Zach Callison
Prince James (voice)
Kiernan Shipka
Princess Oona (voice)
Jodi Benson
Queen Emmaline / Ariel (voice)
Jess Harnell
Cedric (voice)
Wayne Brady
Clover (voice)
Phil Morris
Plank (voice)
John Ross Bowie
Sven (voice)
Tim Gunn
Baileywick (voice)
Jeff Bennett
Farley (voice)
Jim Cummings
Wormwood (voice)
Trivia, insights & behind the scenes
Jodi Benson recorded Ariel's lines in 2013, nearly 25 years after the original Little Mermaid.
This crossover established Sofia's universe as canon-adjacent to classic Disney Princess lore—multiverse before Marvel made it cool.
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