Original: The Secret of NIMH 2 : Timmy to the Rescue is a 1998 American direct-to-video animated film produced by Metro-Goldwyn-Mayer Animation and the sequel to the 1982 animated film The Secret of NIMH .
Simplified: The Secret of NIMH 2 : Timmy to the Rescue is a 1998 direct-to-video animated film . It was the sequel to The Secret of NIMH produced by Metro-Goldwyn-Mayer Animation .