Mortimer and the monsters must figure out how to send Oscar back to his own time, but the only person that can help is the foe of monsters everywhere: a witch. Will they all be able to work together to get Oscar back to Hedgehog?

Susie sends Alexa to the Fjords to train as a giant, but her small size causes her to lag behind. Will Alexa be able to fake it until she makes it – or are these boots too enormous to fill?