Dina couldn’t be happier when Sean suggests that they do their biology project together. The jealous Elizabeth, however, brews a potion that makes Dina lose her hair. Feverishly anticipating her first date with Sean, Dina is desperate! Luckily, Toby comes up with an antidote at the last minute. But unfortunately, Dina takes too much of it and ends up growing a beard... Chaos erupts when Russ tosses the rest of the hair-growth accelerator into Miss Vyner’s bonsai plant.