R-T, Margaret, and the Rats of NIMH (film)

R-T, Margaret, and the Rats of NIMH is an upcoming sequel film based on the book by Jane Leslie Conly.

Coming soon in 2020s.

Synopsis
This film takes place after the second film or television series. When a human girl named Margaret and her younger brother, Artie, get lost in the woods on a family camping trip, they are rescued by rats -- the super intelligent rats of NIMH. Taken into the rat's community, the children are safe for the time being. But winter is coming. Margaret and Artie have to get back home. And when they do, they must protect the rats who have helped them. Everything depends on their silence... but it's hard to evade questions forever.

Plot
In the beginning, The Livingstone family are going camping. (?)

(?)

RT and Margaret (?)

(?)

Thorn Valley celebrated for Margaret and Artie.

(?)

In the end, Christopher and (?)

Characters
Mice Humans
 * (?) as Timothy Brisby
 * (?) as Christopher - Best friend of Artie
 * (?) as Elizabeth Brisby
 * (?) as Johnathan Brisby
 * (?) as Martin Brisby
 * (?) as Teresa Brisby
 * (?) as Cynthia Brisby
 * (?) as Racso
 * (?) as Arthur
 * (?) as Justin
 * (?) as Brutus
 * (?) as Isabella
 * (?) as Mr. Ages
 * (?) as Jenner (Flashback)
 * (?) as Nicodemus (Flashback)
 * (?) as Arthur 'R.T.' Livingstone - the human boy with autism and best friend of Christopher
 * (?) as Margaret Livingstone - the human girl
 * (?) as Mr. Livingstone
 * (?) as Mrs. Livingstone
 * (?) as Paul Fitzgibbons - The son of Fitzgibbons
 * (?) as Billy Fitzgibbons - The son of Fitzgibbons
 * (?) as Blake Fitzgibbons - Father of Fitzgibbons
 * (?) as Beth Fitzgibbons - Mother of Fitzgibbons
 * (?) as Sheriff Johnson
 * (?) as Dr. Schultz
 * (?) as Lindsey Scott
 * (?) as Leon - Best friend of Margaret
 * (?) as Eleanor
 * (?) as Mr. McBride - an old man next door neighbor of Livingstones
 * (?) as Mrs. McBride

Transcript
Film transcript: R-T, Margaret, and the Rats of NIMH (film)/Transcript

Soundtrack

 * Together We're Heavy
 * Lost in the Woods
 * Come Make the Most of Your Life
 * Flying Dreams (Sung by (?) to RT)
 * My Life and My Love
 * Will I Ever Find Them? (Sung by (?))
 * Stay Gone
 * Wind Beneath My Wings
 * Wind Beneath My Wings

Trivia

 * In opening book, (?). In film, (?)
 * In novel, (?). In film, (?).
 * In film, They saw mice and rats in Thorn Valley to introduce.
 * At the end of novel, (?). In film, Nimh was exploded and all the animals and the kids are escaped. They discovered the mice and rats in Thorn Valley. The mice and rats put a statue in Thorn Valley for RT and Margaret.