Tough Guy Cullen Tearfully Bids Goodbye to His Son William

Some things make even the toughest cowboys cry. Grab the Kleenex and re-watch this emotional scene from the latest episode of Hell on Wheels.

The final episodes of Hell on Wheels air Saturdays at 9/8c on AMC. To stay up-to-date with all the latest Hell on Wheels news, sign up for the weekly Hell on Wheels Telegraph.