Audio problem: In the pilot episode, the keyboard is making different note sounds, but Owen just keeps pressing on the same keys.
Episode #1.6 - S1-E6
Other mistake: Mila falls into the water and begins to panic because she can't swim, yet she has the wherewithal to push her hair out of her eyes and wipe her face.
Sydney Rutledge: What is this, a lame and moronic attempt at revenge?