The former “Grey’s Anatomy” star, who was recently diagnosed with ALS, recalled the dramatic episode when he realized he “couldn’t swim.”

Eric Dane sits down with Diane Sawyer on 'Good Morning America' to discuss his ALS diagnosis and how his family — namely once-estranged wife Rebecca Gayheart, and daughters Billie and Georgia — has been his guiding force.

The “Grey’s Anatomy” star spoke in an interview with Good Morning America about his diagnosis of amyotrophic lateral sclerosis (ALS). Eric Dane got emotional while describing his new routine.