Audio problem: In the second scene when Pete hits the sword wielding man with the shield, we hear the sound effect, but he misses by an incredible amount of distance.
Continuity mistake: When Pete and Myka first get to Warehouse 13 and walk up, the football that flew at Pete is lying on the ground close to the open door. In the overhead shot, the ball is gone, but is there again in the next closeup.
Artie Nelson: Never rule anything out.