Fievel and his friend Tony Toponi find a map that they believe points to a treasure buried somewhere beneath Old New York, and the plucky rodent is determined to find it. However, what he discovers under the city is a tribe of Native American mice who were driven underground by prejudiced European immigrants.
You can now watch An American Tail: The Treasure of Manhattan Island online on the following streaming providers in the United States.
| Editing | Danik Thomas | Editor |
| Sound | Patrick Griffin | Music |
| Sound | Michael Tavera | Music |
| Directing | Larry Latham | Director |
| Production | Larry Latham | Producer |
| Art | Derek Carter | Art Direction |
| Production | Susan Blu | Casting |
| Art | Ian Freedman | Storyboard Artist |
| Writing | Len Uhley | Screenplay |
| Art | John Flagg | Storyboard Artist |
| Art | Kathy Carr | Storyboard Artist |
