The Secret Life of Pets is an Explore floor where the floor is about a cartoon movie 'The Secret Life of Pets', which the movie lasted forover an hour, and this floor was created from the cartoon film. On this floor, there is a main character 'Max" who is awaiting for his owner at the entrance.
Fun Fact: According to the floor script, there is a chance for Duke 'Max's Friend' to be released; however, the user has to specifically be Nathanran123 for this to ever occur.