Grey's Anatomy

He appeared in more than 30 episodes of the show

James Pickens Jr's on-screen character Dr Richard Webber's health was left on a cliff-hanger during Thursday's episode

Fans of the long-running ABC medical drama have rushed online to share their speculation

The show will be going into its 22nd season

The 52-year-old actor revealed he was diagnosed with Amyotrophic Lateral Sclerosis (ALS) earlier this year

The British actress, who played Dr Jo Wilson on the medical drama, revealed her latest diagnosis on her 'Call It What It Is' podcast

The actress portrayed Dr. Cristina Yang on the medical drama between 2005 and 2014

The comedian opened up about the time he nearly came to blows with the fellow actor

Eric Dane was first diagnosed with the motor neurone disease earlier this year in April

The Grey's Anatomy star broke the news of his rare degenerative health condition back in April

The Grey's Anatomy actor broke the news of his diagnosis in April of this year

Oh received a doctorate from Dartmouth College over the weekend and made an emotional speech with a Grey's reference

The 52-year-old Grey's Anatomy actor has shared a 'sobering' update on his health

The actress almost missed her flight due to the unbelievable situation, which took place in March of this year

Redditors have been debating who the eye belongs to

Ellen had a pretty frank reason about why she'd never totally leave the show

The character hasn't been on our screens for 10 years

The 'Dr Mark Sloan' actor broke the news of his diagnosis earlier this week

Eric Dane's wife Rebecca Gayheart said the pair have 'figured out the formula' after she requested to dismiss their divorce

The 52-year-old actor announced the news earlier this week on Thursday (10 April)

Eric Dane announced the news of his diagnosis earlier this week on Thursday (10 April)

The 52-year-old actor opened up about being diagnosed with the health condition

The Grey's Anatomy star opened up about the favour she asked Swift on The Jennifer Hudson Show

Fans of the long-running drama have taken to social media to voice their confusion