The secret of NIMH: Mrs. Brisby is a mild-mannered mother mouse with a plan to move her house and home to save her family from Farmer Fitzgibbons' plow. But when Mrs. Brisby discovers the secret of NIMH, it could change her life forver! The secret of NIMH: Timmy to the rescue: Timmy Brisby, the youngest son of Jonathan Brisby, is called upon to save the mice-folk of Thorn Valley from the evil NIMH.

Title from container. Animated. Based on the novel and characters from "Mrs. Frisby and the rats of NIMH" by Robert C. O'Brien. Originally produced as feature films in 1982 (The Secret of NIMH) and 1998 (The Secret of NIMH : Timmy to the Rescue). Features: theatrical and promotional trailers.

The secret of NIMH (1982, 82 min.) / Aurora presents a Don Bluth production ; produced by Don Bluth, Gary Goldman, John Pomeroy ; directed by Don Bluth. -- The secret of NIMH : Timmy to the rescue (1998, 68 min.) / MGM Family Entertainment presents a Metro-Goldwyn-Mayer Animation production ; written by Sam Graham & Chris Hubbell ; produced by Paul Sabella, Jonathan Dern ; directed by Dick Sebast.