Visible crew/equipment: When Olivia spots John taking off in his SUV, the reflection of a crew member's head is visible when she opens the driver's side door. (01:13:35)
The Arrival - S1-E4
Visible crew/equipment: When John Mosley, the stocking-capped man exits his car, you can briefly see the camera's reflection in the glass window behind him. (00:13:30)
Power Hungry - S1-E5
Visible crew/equipment: When they're transporting Joseph Meegar out of the building and into the ambulance, you can see the reflection of the boom mike on the open car door, (the car Charlie is putting Mr. Fischer into). (00:41:00)
In Which We Meet Mr. Jones - S1-E7
Visible crew/equipment: During the shot where Walter is talking about Jimmy Hoffa while installing a light bulb, you can see the set and crew reflected on the metal part, including the audio coordinator with a boom mike.
Visible crew/equipment: When Oliva punches Mitchell Loeb and he collapses against the car, you can briefly see the reflection of some crew members, one wearing a yellow jacket. (00:44:00)
Visible crew/equipment: During one of the shots when they corner Mitchell Loeb at the phone booth, you can briefly see a reflection of the entire crew on one of the cars.
Visible crew/equipment: Right as Ella is downloading the brain-melting computer program, when we see Rachel cooking, it is possible to see crew members reflected in the pot on the stove.
Visible crew/equipment: When the sellers get out of their vehicle, the reflection of a camera is visible when they open the doors. (00:36:05)
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)
Visible crew/equipment: At the very beginning of the episode when Susan Pratt is calling for a taxi, you can briefly see the reflection of a boom microphone on the passing taxi.
A New Day in the Old Town - S2-E1
Visible crew/equipment: Lighting equipment is reflected on Nina's sunglasses when she tells Broyles to "save the day" after the Senate hearing. (00:31:40)
Visible crew/equipment: 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.
Answer: He helped his father evade capture, impeding the investigation.