Middlemost Post — Season 1, Episode 18: I Know What You Did Last Mail-Off!
Animation, Comedy, Kids • 22 min • 2 seasons, 62 episodes • ★ 7.8/10
Episode synopsis
Parker learns that the mail drone, which was thought to have been destroyed, returns for revenge.
About Middlemost Post
When a reformed raincloud teams up with a shipwrecked sea-postman and a magic walrus, the three form the Middlemost Post — the wackiest and most loveable postal service on Mt. Middlemost.