https://en.wikipedia.org/wiki/The_Secret_of_NIMH_2:_Timmy_to_the_Rescue

and what else?....well, have you seen the following movie, dazzlenation?...see previous post...here is an excerpt from the plot, according to wiki....go figure:

They also learn that Dr. Joseph Valentine, the head scientist, has captured Martin and made him insane. After being made insane, Martin took over the lab, brainwashed Dr. Valentine with a device similar to the one Valentine used on him, and made him think he was a dog. Martin plans to use an army of lab rats riding a flock of ravens to take over Thorn Valley. He even turns two cats, Muriel and Floyd, crazy; they then proceed to catch the others.