Purple Pluto is an animated short originally featured in episode #7 of Mickey Mouse Works. It was later featured in the House of Mouse episode "Ladies' Night".
Minnie is getting Pluto ready for the big dog show when she accidentally uses hair dye instead of shampoo! What will Mickey do when he finds out his true-blue friend is now true-purple?
"Mickey must never know!"
A now purple Pluto kisses Minnie upon winning the contest.