Laugh Attack is the 47th episode in Season 2 of Monster Buster Club.
It all started with Gilbert (from comic book heroes) and made trouble by making a laughing machine called a 'Ha Ha Honker' hit Matisse. So now he's going around town making everyone laugh. Now the MBC have to stop the laughing before it hits them but it was too late because while being at the school Matisse found them and made them both laugh. Meanwhile, Gilbert has landed on earth trying to get the Ha Ha Honker back and keep Singletown safe. Cathy is being crashed by then being blasted. But now laughing, crying. After everything it's up to Danny to save Singletown and his friends.