Miss Simian has to save herself from a contagious Joy virus infecting the whole school.
After Dad gives Gumball and Darwin a special hug,
the kids go to school filled with a virulent form of Joy.
Miss Simian quickly identifies the terrible affliction,
and soon enough it spreads to the other kids.
She has to find a cure before it's too late.
Before Ms Simian herself is won over by... Joy.