S3·E14 The Horse Show
Aired January 17, 1978
Synopsis
Shirley rescues a horse from a glue factory and put it in her bedroom. The girls try to find a new home for Buttercup before she's turned into glue. In the end it's Lenny and Squiggy who save the day by finding a farm with a nice pasture who's willing to let the horse live out the remainder of its days in contentment.