Home on the range age regression

Alameda Slim has escaped from prison, and now, he's returned for revenge, and also, instead of stealing all the cattle, he decided to turn the farm animals so he can make a complete escape and have a secret hiding place so he won't get caught red-handed. When Jeb, Maggie, Mrs. Calloway, Grace, Buck, and Lucky Jack drank the water, it turned them into baby animals, and that means they'll be stuck as babies forever.