Visible crew/equipment: "Over There, Part 2": When Walter and Olivia leave the hospital in the alternate universe, William Bell pulls up in his vehicle. As he does, you can see the reflection of the crew on the metal bars in the front of the vehicle, as well as the metal side-view mirror.
Visible crew/equipment: After Olivia shuts down the bomb, Peter asks, "How did you do that?" and in the wide shot showing Olivia saying, "I don't know," a light from outside the building brightens the room, and you can briefly see the reflection of a crewmember in the glass window. (00:44:15)