https://screenrant.com/greys-anatomy-season-20-episode-4-recap-biggest-reveals-spoilers/

Grey's Anatomy season 20, episode 4 saw Arizona Robbins return to Grey Sloan Memorial Hospital for the first time since her season 14 exit.

Grey's Anatomy: Season 20, Episode 4, "Baby Can I Hold You," Recap & Spoilers (https://www.cbr.com/greys-anatomy-season-20-episode-4-recap-spoilers/)

Grey's Anatomy's 20th season has continued to be a strong return. But what new twists and turns await the characters in Episode 4?