Grey's Anatomy Season 20 The Cast Looks Back on 20 Years of Grey's Featurette (HD)

The cast of Grey's Anatomy looks back at 20 years on air. Watch the Grey's Anatomy Season 20 premiere tonight on ABC. Subscribe to tvpromosdb on Youtube for more Grey's Anatomy season 20 promos in HD! Grey's Anatomy official website: Watch more Grey's Anatomy Season 20 videos: Like Grey's Anatomy on Facebook: Follow Grey's Anatomy on Twitter: Follow Grey's Anatomy on Instagram: #GreysAnatomy #TGIT » Watch Grey's Anatomy Thursdays at 9pm on ABC » Starring: Ellen Pompeo, Kevin McKidd, Kim Raver, Chandra Wilson, Camilla Luddington