We're just days away from new villains appearing on Teen Wolf, as producer Jeff Davis has teased that Monday's finale will introduce "bad guys" that will play a key role on Season 3 of this MTV hit.

How might they arrive? Take your best guess now, but we can report that Scott will race to uncover Gerard's master plan on the aptly-titled concluding episode, "Master Plan."

What the official preview for it now:

Also, check out the following sneak peek - and then visit TV Fanatic soon after the finale airs and react to our weekly review of the thriller...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.