It's school club day, and Billy, Irwin and Mandy all join different clubs. Irwin joins a macramé club, Billy a junior CIA club and Mandy the Secret Snake Club, which turns out to be merely a front for nerds to get revenge on cool kids.
Did You Know?
When Grim reboots the computer, closely read the on-screen text. About halfway through the loading, you'll see a hidden paragraph: "Did you know that Billy & Mandy started off as an online cartoon? No, it's a lie." See more
[to Snake Club nerds
You disgust me. You're all old enough to wear some deodorant. I've been trying not to vomit in my own mouth all day.