The Secret Saturdays Season 1 Episode 10 - The Swarm At The Edge Of Space Episode Title:The Swarm At The Edge Of Space.Episode Description:When the Saturdays rescue an aircraft under attack by a swarm of atmospheric jellyfish, they discover that it's Agent Epsilon and his son, Francis, who appeared to do nothing but play a video game. The Jellyfish turn on their airship, injuring Epsilon in the ensuing battle. Zak soon discovers that Francis is the one responsible for provoking the Jellyfish, as his "game" is actually a prototype control device that's driving them crazy. Francis forces Zak into capturing one of the Jellyfish for study, but Zak is able to sneak the control device into the container with it, forcing Francis to abandon both once he discovers the trick.