Evil Pea creates an evil version of her nemesis, Supertato. With the help of her hench-Cobs, Evil Pea makes a big, green lumbering spud that she names Monstertato!

During the Veggies' Super Sidekick Costume Contest, Evil Pea traps Supertato in a jar of honey. All is lost until the Veggies become real super sidekicks, the Tato Team!

Evil Pea steals Supertato's brand new Tato Car but doesn't realise that the Grape Kids are in the back seat. Supertato has to get the Grape Kids back to safety and save his car.