I of Newton - S1-E29
Visible crew/equipment: A boom mic dips into the scene during Sam and the demon's conversation in the classroom.
The Little People of Killany Woods - S1-E34
Visible crew/equipment: When it's opened for Mulvaney, the hardware store's glass-paned door reflects several large, round studio lights. (00:06:05)
To See the Invisible Man - S1-E40
Visible crew/equipment: When the woman ignores Mitchell and rushes into her apartment building, the glass door she opens reflects the camera, crew and studio lights. (00:06:20)
Answer: He was in an accident.