1x20

In There's More Than One of Everything, he escorts Walter to the old Bishop beach house and prompts him to find the device that is needed to plug the opening between parallel universes. He also accompanies Walter to an old graveyard.

1x19

In The Road Not Taken, he arrives to collect Walter from the Lab, speaking for the first time since The Arrival.

1x18

In Midnight, he passes behind Bob Dunn in The Cavern, just after the ladies man arrives and is poised to begin introducing himself.

1x17

In Bad Dreams, he crosses the street as Olivia and Peter arrive at the scene where Nick Lane is threatening to commit suicide by jumping from a building roof.

1x16

In Unleashed, he walks behind an on-air TV news reporter as she tells of the recent animal attacks. Charlie's wife is watching.

1x15

In Inner Child, he is seen walking along a snowy sidewalk, as The Child is driven away in the opposite direction.

1x14

In Ability, he is seen ducking out of the way of the news vendor's grasp as the vendor stumbles down the street.

1x13

In The Transformation, he is seen standing on the soccer field just before the plane crash.

1x12

In The No-Brainer, he stands on a corner while Olivia is driving to save Ella.

1x11

In Bound, he is walking just behind Olivia as she parks outside of Walter's Lab.

1x10

In Safe, he is seen on the bank's security monitor.

1x09

In The Dreamscape, he is seen behind Mark Young in the hallway after exiting the elevator.

1x08

In The Equation, he is seen while Olivia and Charlie are searching for Ben Stockton.

1x07

In In Which We Meet Mr. Jones, he is seen at Frankfurt International walking away from the arrival gate.

1x06

In The Cure, he passes behind David Esterbrook and Olivia at the humanitarian fund-raiser.

1x05

In Power Hungry, he exits the doomed elevator seconds before it crashes.

1x04

In The Arrival, he has a lead role throughout the episode.

1x03

In The Ghost Network, Olivia passes by him at the South Station rail terminal.

1x02

In The Same Old Story, he stands at the hospital desk where the rapid-aging "man-baby" lies dead.

1x01

In Pilot, he walks past the Massive Dynamic building.
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