ABC News's Matt Gutman brings viewers spectacular stories of marine animal rescue and rehabilitation. Dedicated veterinarians, animal-care experts, animal-science researchers and government authorities provide expert insight. ABC, 9:30 a.m.
Hell on Wheels
Cullen juggles problems at home as he takes charge of matters with the railroad in a new episode of this western drama. Meanwhile, Durant and Mickey contend with Campbell. AMC, 8 p.m.
The NFL pre-season reaches a critical point as coaches get closer to final roster-reduction decisions. Two games make the prime-time cut tonight -- New Orleans at Indianapolis and Minnesota at Kansas City. CBS/NBC, 7 p.m.
Untold Stories of the E.R.
In this new episode, a man is admitted to the ER with claw marks that appear to be inflicted by an animal, but he won't tell doctors what really happened. Another patient insists that he was shot in the head, but there's no trace of the bullet. TLC, 8 p.m.