Overview: Mrs. Frisby, a widowed mouse with four small children, must move her family to their summer quarters immediately, or face almost certain death. But her youngest son, Timothy, lies ill with pneumonia and must not be moved. Fortunately, she encounters the rats of NIMH, an extraordinary breed of highly intelligent creatures, who come up with a brilliant solution to her dilemma.

Secret of NIMH (82 mins.): Faced with the need to move her family from a farmer's field while her Timothy is seriously ill, a widowed mouse seeks help from a group of rats whose unwilling participation in experiments at a place called NIMH has made them wise and long lived -- NIMH 2 (68 mins.): Timmy Brisby, the youngest son of Jonathan Brisby who once saved them from an evil place called NIMH, will go through hero training 101. But before he even...

Sequel to: Mrs. Frisby and the Rats of NIMH / Robert C. O'Brien. Timothy Frisby, a field mouse, teams up with the adventurous rat, Racso. Together they try to prevent the destruction of a secret community of rats that can read and write.