Episode Title:Uncle Matt Comes Home.Episode Description:Gobo finds out that Uncle Matt's coming back. But the reunion is not so sweet, and when the two of them along with Wembley decide to go and find Crystal Cavern they fight all along the way, losing Wembley, who finds Crystal Cavern and helps them figure out they're both good explorers, it's just that they're better at it when they do it alone.