Michael Mosley, Jessica McNamee

The first season of Sirens is going out with a bang — literally!

In this exclusive sneak peek from Thursday's season finale (10/9c, USA), the team must rush Theresa (Jessica McNamee) to the hospital after she gets shot in the line of duty.

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However, it's not Theresa, but another member of the crew who is seriously freaking out about her injury — to the point where he has to be sedated. So who ends up passed out on the gurney during Theresa's time of need? Watch this exclusive sneak peek to find out:

Sirens' season finale airs Thursday at 10/9c on USA.