Katie Couric’s run as host of ‘Jeopardy!’ starts Monday, followed by Dr. Oz, Aaron Rodgers Updated Mar 05, 2021; Posted Mar 05, 2021 Katie Couric will be the guest host of "Jeopardy!" from March 8 to March 19, 2021. Photo is courtesy of Jeopardy Productions, Inc.Jeopardy Productions, Inc. Facebook Share “Jeopardy!” has announced that award-winning journalist Katie Couric will host the show March 8-19, 2021. Couric also is co-founder of Stand Up To Cancer, a documentary filmmaker and New York Times best-selling author. “Jeopardy!” airs weeknights at 7:30 p.m. on CBS. The show said that as part of her appearance, “a donation will be made to Stand Up To Cancer, a division of the Entertainment Industry Foundation, which raises funds to accelerate the pace of research to get new therapies to patients quickly and save lives now.