Mia is excited about her first superspeed training class, but a bully on her relay team leads her to lose her shadow and, worse, to snap at her friends.

Mia Macarooney, the soccer star! -- Meeting Allie Oomph -- QT... not cutie -- The relay race -- The final results -- The lost shadow -- The bad luck day -- Slow and steady -- Connecting the pieces -- The final race.