Testing Jetpack features

Pete and Myka return to Washington to intercept a samurai sword that is to be presented to the president, and they discover a competitor for items that belong to the warehouse.

Henry’s 20-year-old project returns with more on board than it left with.

Pete and Myka take on a previous agent’s assignment after the man’s corpse turns up in the basement of a St. Louis police station.

Teenagers construct an odd building in a Eureka field while asleep.

The theft of a sculpture leads Myka and Pete to a sacred Indian cave holding an ancient secret of creation… and destruction.

A bowling tournament brings a rival science team from Area 51 to town, leaving Carter investigating practical jokes that escalate in scope and destruction as the competition progresses.