Voir Fantastic Four: World's Greatest Heroes, The Complete First Season - Episode 7

Things take a turn for the worse when Johnny gives his friend Frankie an unauthorized tour of Reed's lab. When Frankie is sucked into another dimension, Johnny goes in after her but as he does so, a small bug comes through the dimensional portal. Susan, Ben, and Reed now have to deal with the bug as it multiplies and destroys the Baxter Building.