Big trouble came in small packages on Eureka this week, as described in our latest review of the Syfy series.

Looking ahead to Monday, meanwhile, viewers can expect two things to be in the air:

1. Love.
2. Poison.

So teases the following promo for "Clash of the Titans," which features guest star Wallace Shawn (The Princess Bride, Gossip Girl) as an auditor who arrives in town. Get your first look at the installment via this preview and sneak peek.