One Hunder Yard Pant-Stain-Dash / Lunctime Surprise

S1 E5: Toby accidentally spills water on his crotch, and has to somehow get down the school’s hallway to his locker without anyone spotting it. / Toby’s mom comes to the school to do an embarrassing presentation dressed as a giant tooth. How can he keep the kids from figuring out they’re related?