The Glee star confirmed her guest spot via Twitter.
Given that Lynch can both be snarky (on the Fox series) and supportive (as host of Hollywood Game Night), we leave it up to you guess her mysterious role in the comments section.
Read for more of today’s newsy nuggets? Well…
• NBC’s American Ninja Warrior will return for Season 6 on Monday, May 26, at 8/7c. Meanwhile, America’s Got Talent is back for its ninth edition the following night, Tuesday, May 27, at 8 pm.
• At least one former Heroes star is on board with the upcoming miniseries reboot. Robert Knepper, who played carnival runner Samuel Sullivan on the NBC drama, tells EW.com that he “would love to be a part of it,” although he has yet to be approached.
• Katie Couric will grill Alec Baldwin on Law & Order: SVU‘s March 19 episode, reports our sister site Deadline. Couric will play a TV show host who questions Baldwin’s controversial New York newspaper columnist about a headline-grabbing hate crime/rape case.
• Donna Mills (Knot’s Landing) will make her first appearance on General Hospital on March 14, the actress tweeted. No details about her top-secret role are available.
• The Young and the Restless has recast Cynthia Watros’ Kelly Andrews with Cady McClain (All My Children, As the World Turns) following the series pick-up of Watros’ MTV pilot Finding Carter, TV Guide Magazine reports. McClain will make her debut on April 24.
• In more Y&R-related news, the soap’s Melody Thomas Scott will guest-star CBS’ The Crazy Ones as a boozy librarian, per TV Guide Magazine.
• NBC and Clear Channel Media and Entertainment announced today that NBC will televise the first-ever iHeartRadio Music Awards May 1 (8-11 p.m. ET/PT) from the Shrine Auditorium in Los Angeles.
• SundanceTV’s The Writers’ Room returns for Season 2 on April 14 at 10/9c with host Jim Rash (Community). This go-around’s highlighted shows include Scandal, House of Cards, The Good Wife, Sons of Anarchy and Pretty Little Liars. Rash also will sit down with the brains behind comic-book adaptations The Walking Dead and Smallville.Follow @VladaGelman