Littlefoot befriends with a mysterious, fun-loving dolphin-like creature named Mo, who is trapped in "new water" caused by heavy rain. The gang then goes on an adventure to the "big water" to bring Mo home.
Unfortunately the movie The Land Before Time IX: Journey to Big Water is not yet available on Disney Plus.
| Art | Micki Zurcher | Background Designer |
| Writing | Tony Geiss | Characters |
| Editing | Jay Bixsen | Editor |
| Sound | Michael Tavera | Original Music Composer |
| Writing | Judy Freudberg | Characters |
| Art | Flamarion Ferreira | Art Direction |
| Production | Charles Grosvenor | Producer |
| Production | Susan Blu | Casting |
| Directing | Charles Grosvenor | Director |
| Writing | Dev Ross | Writer |
| Production | Daniel J. Wiley | Associate Producer |
| Production | Steve Chen | Supervising Producer |
| Production | James Wang | Executive Producer |
| Sound | Michele Brourman | Songs |
| Sound | Amanda McBroom | Songs |
