"Thankfully it was a minor heart attack," Ritter said. He did not give other details.
A post on the official "Jeopardy!" Web site said Trebek was "resting comfortably in a Los Angeles hospital, and he will be back in the studio for the next scheduled tapings in January." His heart attack was first reported by "Entertainment Tonight."
Story continues belowAdvertisementThe Canadian-born Trebek has hosted the syndicated show since 1984. He has won several daytime Emmy Awards for his work and has a star on the Hollywood Walk of Fame.
Trebek escaped a car crash unhurt in 2004 when he fell asleep at the wheel, sideswiped a string of mailboxes and wound up in a ditch, according to the California Highway Patrol.