Heroman EP17 - Legacy

Lately a number of research labs have been attacked in a series of incidents. Denton tells Joey and Psy that he believes the one thing that connects them all is the Skrugg. While feeling the dread of having to deal with the Skrugg again, they come up with a plan to lure out the culprit. Fully prepared, Joey waits for the attack, when they suddenly appear with a bang! Who shows up but someone entirely unexpected! What is their true identity? What is their motive?