Hoist by His Own Petard: A mistake on the fake backstory he mentioned manages to let Avery, Tyler and Chloe know that he's lying. Specifically, he tells Stan that if he comes back to Spokane, then he'll have a great view of the Puget Sound. Spokane is too far away from the coast to have a view of the Puget Sound, something anyone who actually lived there would know.
I Lied: He actually wanted to take Stan back to experiment with him, NOT to take him back to his family.
Sadistic Choice: While not as extreme as other examples, he gives Stan one of this in the season finale: He can either come back with him to meet his family and leave the one he currently has, or stay with them, but probably never see his real family again.
The Dreaded: To Stan. This little piece of dialogue should be enough proof: