When a botched experiment in Adam's lab creates a gas making everyone tell the truth. When Tater finds out, he places Adam, Echo, Derby, Slab, and Ivy under quarantine. Derby makes Slab cry and then tries to apologize, but he keeps saying the wrong things. Adam tries to prevent any form of communication between him and Echo because he's afraid that if he talks to her, he will tell her how he feels about her. Ivy tries to get out of the school to get to the mall, but Dang keeps stopping her.

After Adam finds out that Echo is taking her "little sister" to the school carnival, Adam signs up to be a "big brother"so they can spend the day together. Unfortunetly Echo's "little sister" starts stalking Derby while Adam's "little brother" spends a lot of time with Echo.

Adam holds an overnight astronomy class in the quad, but finds himself competing for his students' attention with principal Tater, who treats it like a camping trip.Adam tries to trick the class into camping with him. Meanwille Ivy plays a horsing game with the janitor