Monster Buster Club Season 1 Episode 20 Trick Or Treat... Or Alien Episode Title:Trick Or Treat... Or Alien.Episode Description:It's Halloween and all the kids in Single Town are going trick-or-treating. Mark challenges Danny to go into the haunted house alone. In the end, Danny would be the first kid inside the haunted house. When he goes inside, there are a lot of spooky things happening to him: books flying around, the wall moving itself, he goes into the room and was trapped by the sticky on the floor...