Ms. Iknow has been making her students due many laps during gym class until Pterry arrives telling Flint that a Time Shifter has been sighted in Ancient Greece within the year 4 BC. Ms. Iknow uses this cover to leave and change into Petra Fina while Flint's group heads to 4 BC. Upon arrival, they find the Time Shifter Muscle helping a struggling athlete named Damon.