|Where Lies the Engulfer|
|Original broadcast||July 17, 2009|
|Series||The Secret Saturdays|
|Overall episode number||24|
|Written by||Todd Garfield|
|Directed by||Scott Jeralds|
|Previous episode||Paris is Melting|
|Next episode||Shadows of Lemuria|
Zak and Doyle go on a training mission in an abandoned town in Canada. As the two are training on how to be deceptive, they are attacked by the nearby lake. When they realize that the lake has been swallowing people that use water from the lake, they come up with a plan to escape. Doyle creates a diversion while Zak runs for help, until Zak realizes that Doyle has lied about his reserve oxygen tank in order to get Zak away from the lake. Zak returns to rescue Doyle with a wheelbarrow full of quick-dry cement, which turns the lake to stone. Zak and Doyle make their escape, then arrange for cement to be dropped in the lake by helicopters.
- The Claw
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- Doc, Drew, and Paul make cameo appearances.
- Third time that Doc and Drew don't play big roles in the series.
- None of the family cryptids appear in this episode.
- This is the first (and only) episode Komodo and Fisk don't appear in.