The Bone Identity
S1, E8: When Avery's nemesis, Karl, overhears Chloe refer to Stan's secret, he vows to get to the bottom of what Avery and her family are hiding; Avery stumbles upon the fact that Tyler is a math genius.

S1, E8: When Avery's nemesis, Karl, overhears Chloe refer to Stan's secret, he vows to get to the bottom of what Avery and her family are hiding; Avery stumbles upon the fact that Tyler is a math genius.