Across The Great Ocean - S2.E1

Marnie, with the Shoebox Zoo in tow, flies to Denver for the summer in order to search for The Book of Forbidden Knowledge. After being picked up by her grandparents, she meets up with her best friend Kyle Stone and plans to show the shoebox animals to him. However, a mysterious figure has stolen the bag in which they were contained, on top of seemingly following her around wherever she goes.