BATTLE IN THE ATLANTIS! - The Secret Saturdays: Beasts of the 5th Sun - Part 7 - Lost Undersea City

Welcome to my walk-through of The Secret Saturdays: Beasts of the 5th Sun! As you know, in Ben 10 Omniverse, it was established that both Ben 10 and The Secret Saturdays share the same universe! Let's stop Argost's evil plans! Level: Lost Undersea City