Meredith's COVID Coma Brings Another Familiar Face Back to Grey's Anatomy

After blowing everyone's collective mind with Patrick Dempsey's surprise reappearance last month, Grey's Anatomy is promising yet another blast from the past tonight as Meredith continues to dream her way through COVID.

Also today: The Voice family convenes for a new holiday special, Carrie Underwood gets a holiday special of her own, and the Jingle Ball celebrates 25 years. Here's what's new and noteworthy on TV this Thursday:

NEW EPISODE: ABC has kept mum on who exacly will return tonight on Grey's Anatomy as Meredith (Ellen Pompeo) continues her battle with COVID-19. Meanwhile, Koracick (Greg Germann) begins to go stir crazy. Watch Preview. 9:00 PM ET on ABC

HOLIDAY SPECIAL: An array of coaches past and present are joined by other members of The Voice family in The Voice Holiday Celebration, where they're set to perform a collection of holiday classics and popular modern favorites. 8:00 PM ET on NBC

HOLIDAY SPECIAL: Carrie Underwood is celebrating the release of her new holiday album with the streaming special My Gift: A Christmas Special from Carrie Underwood in which she performs some of her seasonal favorites, including a duet with John Legend. Watch preview. Streaming on HBO Max

NEW EPISODE: The team from Law & Order: Special Victims Unit questions a group of college roommates when one of them goes missing during the COVID-19 lockdown. Watch preview. 9:00 PM ET on NBC

SERIES PREMIERE: The new HBO Max original docuseries Stylish With Jenna Lyons is ostensibly a docuseries about a fashion icon charting a new path for the future, although as Primetimer's Tara Ariano writes in her review of the new series, it may have inadvertently captured the birth of a nightmare boss. Streaming on HBO Max

HOLIDAY SPECIAL: In celebration of the show's 25th Anniversary, the iHeartRadio Jingle Ball Greatest Moments special gathers the very best performances and behind the scenes moments from years past. Watch preview. 8:00 PM ET on The CW

Mike Attebery is Senior Editor at Primetimer and the author of seven mystery thrillers. Follow him on Twitter at @mikeattebery.