The Secret Saturdays Season 1 Episode 24 - Where Lies the Engulfer Episode Title:Where Lies the Engulfer.Episode Description:Doyle takes Zak to an abandoned tourist resort in Canada for a training mission about deception, but they soon discover that the town is abandoned for good reason when the nearby lake, the Hînqûmemen, comes to life and attacks them. Doyle decides to distract the lake while Zak gets help, assuring him that he has a reserve oxygen tank with plenty of air. Zak quickly realizes that Doyle was exaggerating about his oxygen supply in order to keep him safe and returns to rescue Doyle with a wheelbarrow full of quick-dry cement, which turns parts of the lake into stone. Zak and Doyle make their escape, then arrange for cement to be dropped in the lake by helicopter. When they return home, Doc reveals that the water was infested with tiny cryptid parasites.