Star throws her wand by accident and it ends up in the mouth of a growling dog who refuses to let it go. She has to take care of the dog and find its owner. Meanwhile, Marco struggles to get a straw into his juice box and has to take care of the laser puppies. She eventually discovers the dog named Willoughby is actually a extra-dimensional being who didn't like life on her planet, so Star has her adopted by a strange lady named Lydia.
- Eden Sher as Star Butterfly
- Adam McArthur as Marco Diaz
- Mayim Bialik as Willoughby
- Amy Sedaris as Lydia
- In the park, among the flyers, there is one labelled "Grumpy Animal" with a cat on it. This is a possible homage to Grumpy Cat.
- Another flyer has an image of a turtle with the name "Ninja". This is a possible homage to the Teenage Mutant Ninja Turtles line.
- August 18, 2016 (United Kingdom and Ireland)
- October 23, 2016 (France)
- November 9, 2016 (Italy)
- November 13, 2016 (Japan)
- December 2, 2016 (Southeast Asia)
- December 12, 2016 (Latin America)
- January 4, 2017 (Poland)