Minnie entered Mopatop's Shop in the episode "A Secret", with her big brother Manny. Minnie is unable to keep any secrets, as she don't have a place to put them. Puppyduck finds her a nice little bag, but that isn't a safe place to keep the secret that Mopatop tells her. It turns out that all that she needs is an extra pocket. The secret that Manny tells her about what they're going to do when they leave the shop is safely put away.