In "Billy Ocean", Billy, Mandy and Grim's outing to the beach goes south when Billy winds up far out at sea and eaten by a whale, where, inside, he meets Pinocchio and Gepetto... and Pinocchio still wants to eat Billy alive to become a real boy! In "Hill Billy", Billy sets out to pursue his dream to be a chicken juggler, with disastrous results.
In "A Grim Day", Grim gets a day off from both Billy and Mandy. In "Pandora's Lunch Box", a new girl named Dora arrives at the Endsville school, and she soon becomes fast friends with Mandy. All the while, however, Dora has a very suspicious-looking lunch box.
In "Dad Day Afternoon", Grim tries to convince his father he is a country singer. In "Scary Poppins", Mandy's parents have had enough of Mandy oppressing them and they hire a nanny to straighten her out.
In "Hurter Monkey" Grim conjures up a helper monkey to do the cleaning for him, which turns out to be a bad idea. In "Goodbling and the Hip-Hop-Opotamus" Grim accidentally turns Principle Goodvibes into a hip-hopper.
In "Spidermandy" Mandy contracts spider-pox from Jeff the spider and becomes a spider herself. In "Be A-Fred, Be Very A-Fred" Grim must spend a day with Fred Fredburger, but that turns out to be a horrible experience for all.
In "The Crass Unicorn" Billy tries to make an unhappy unicorn happy against her will. In "Billy and Mandy Begins" Billy, Grim, and Mandy tell Irvin about how the show began - while hanging over a monster pit.