After the big reveal in Pretty Little Liars Season 3, Episode 12: “The Lady Killer,” things are looking pretty grim for Spoby. After all, unless Toby (Keegan Allen) is a double agent looking to take the "A" team down from the inside, it seems like he must have set out to hurt Spencer (Troian Bellisario) and her friends. Even if he is a double agent, that's a big secret to keep.

And yet, showrunner Marlene King has hinted that there is hope for the pairing, tweeting that "There's alwAys hope." Meanwhile, PLL writer Bryan Holdman has tweeted that Toby and Spencer loving each other was not a lie.

Many fans take these teases to mean that the double agent theory has merit. Others theorize that Toby is a legit part of the "A" team, but accidently fell for Spencer. Some hope that his love for Spence can redeem him in the end. However, others have latched on to a darker theory: maybe Spencer is part of, or will join, the "A" team herself.

After all, as long as Spencer and Toby are on the same side there's lot's of hope for the relationship — even if the side they're on is the side of evil.

We've speculated in the past about why Spence could possibly be on the "A" team, and Troian Bellisario herself told us that out of any of the Liars, she thinks Spencer is the "most capable" of joining the "A" team (she does have a "sliding scale of morality," after all).

We still don't think it's very likely that Spencer is part of the "A" team now, nor do we think she'd join. But we also thought it was really unlikely that the betrAyer would be Toby, so what do we know?

What do you think? Is it possible that Spencer could be part of the "A" team, or is that totally out of the question?

Catch the PLL Halloween special on Tuesday, October 23 at 8 p.m. ET/PT on ABC Family.

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