"Grey's Anatomy" season 10 episode 4 will be airing tonight at 9 p.m. ET on ABC.

The official synopsis of "Grey's Anatomy" season 10 episode 4 titled "Puttin' on the Ritz" is as follows:

"The doctors of Grey Sloan Memorial throw a fundraising gala which turns wildly competitive after Jackson makes a rash promise. Back at the hospital, Bailey's patience is tested when she has to deal with several extremely difficult patients. Meanwhile, Shane and Stephanie handle an incredibly busy ER by themselves and Alex reveals an emotional secret to Jo on a very special 200th episode of 'Grey's Anatomy."

Episode 3 saw the recovery rooms overwhelmed with patients from the severe storm; Richard is awake but not eating and resorts to a feeding tube; April received news that she passed her boards; Owen and Cristina agreed to start seeing other people; Callie and Arizona attempt to try a therapy session; a gala fundraiser was announced.

Be sure to tune in to ABC to watch Grey's Anatomy season 10 episode 4 on October 3, 2013 at 9 p.m. ET

If you miss tonight's show, you can watch full episodes online via live stream on ABC's website.

Sneak peek videos of the episode 4 can be seen in the video below: