VIDEO: Sneak Peek - Season Finales of Syfy's 12 MONKEYS & HELIX

Brace yourself for the season finales of 12 MONKEYS and Helix! It all begins Friday at 9/8c on Syfy. Check out sneak peeks below!

First, on 12 Monkeys, Cole and Cassie confront their enemies, while everyone at the facility in 2043 face a new threat. Watch a sneak peek below, as Cole and Cassie uncover more secrets about the army of the 12 monkeys.

Then, on Helix, Kyle tries to protect a possible cure for the virus, while Alan tries to destroy the Mother tree. Check out a sneak peek below, as this season's epic sibling rivalry between Alan and Peter comes to a dramatic conclusion.

12 MONKEYS - Airs Fridays at 9/8c

Arms of Mine - Sneak Peek - Cole and Cassie will do whatever it takes to stop their enemies. Don't miss the season finale of 12 MONKEYS on Friday at 9/8c!

HELIX - Airs Fridays at 10/9c

O Brave New World - Sneak Peek - Peter and Alan's sibling feud comes to a dramatic conclusion. Watch the season finale of HELIX on Friday at 10/9c!

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