Mr. Young (2011)

S1E7 Mr. Honest

After a failed experiment in Adam's lab releases a gas that forces everyone to speak only the truth, Tater learns of the situation and quarantines Adam, Echo, Derby, Slab, and Ivy. Derby unintentionally hurts Slab's feelings, and when he attempts to apologize, he only makes things worse. Adam, anxious about revealing his feelings for Echo, works to keep their communication to a minimum. Meanwhile, Ivy is desperate to escape the school and head to the mall, but Dang consistently blocks her attempts.