After seeing Billy, Mandy and Grim battling a strange creature, Irwin again feels rejected by Mandy. Then, Hoss Delgado, spectral exterminator, appears to help Mandy destroy the monster. Then, Delgado decides to have Irwin as his sidekick and train him to be "cool" in order win Mandy's love. In the following, Irwin gets an attire like Delgado's, and attaches an egg beater to his right hand. Then, Delgado releases a monster so Irwin can fight it and impress Mandy, but he is humiliated anyway. In the end, Mandy tells Irwin he is just a nerd, and Billy tries to assure him that being a nerd is not such a bad thing after all.
Elenco: Greg Eagles , Grey DeLisle , Richard Steven Horvitz , Vanessa Marshall .