In this recap, we ask "What Is...Season 5 Episode 25 Double Jeopardy?" 
The late great Alex Trebek makes an appearance, AND Emily Valentine returns (sort of)!
We find out there was a real Jeopardy genius on the cast, and no it wasn't Jason.
Plus, what spoiler leaves Jennie Garth shook?
Why is Tori screaming at Alexa? 
And what celebrities make the girls glitch??

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