Watch The Secret of NIMH 2: Timmy to the Rescue

The Secret of NIMH 2: Timmy to the Rescue tells a story of a mouse, Timmy, who has grown up and has been chosen to follow in his father's footsteps. Timmy doesn't believe he has the strength or intelligence to follow in his father's footsteps. He meets a crossroads when another mouse, Jenny McBride, comes along and asks for his help to rescue her parents.

The Thorn Valley turns down Jenny's plea of help, fearing that it would be too dangerous of a task to rescue her parents from the lab of NIMH and locked Jenny up for her own safety. Upon Jenny's being turned down by The Thorn Valley, and finding out that his brother has met the same fate, Timmy decides to help Jenny. It becomes clear to The Thorn Valley that both Jenny and Timmy have escaped and are on their way to The Secret Lab of NIMH.

As they venture off to help their loved ones they encounter a great deal of obstacles. From meeting the Great Owl to reaching the lab of NIMH. Timmy and Jenny have a great journey in front of them.