Revealing mistake: When Leo is laying his dead kids on the grass, the little girl keeps moving her eyes and breathing.
Revealing mistake: In the very first scene, when Teddy and Chuck meet, they are standing on the bow of a ship traveling at full speed (as the Captain wants to return to the mainland before the storm hits), yet their lapels don't so much as flutter. Even at a slower speed, there would be some movement from the air as they passed across the water.
Answer: Teddy belonged in Ward C. He would have never met any of the patients.