Ken Jennings revealed an Alex Trebek good-luck charm he had while hosting 'Jeopardy!'

Jennings had his first episode as guest host air.

Ken Jennings stepped in as the first guest host of Jeopardy! since the death of the legendary Alex Trebek, and by many accounts, the GOAT champion did a solid job.

The guest host also came out and started the show with a heartfelt tribute to Trebek in which Jennings got choked up: “Not many things in life are perfet, but Alex did this job pretty much perfectly for more than 36 years, and it was even better up close,” he said, going on to say no one can replace Trebek, “but we can honor him by playing the game he loved.”

Jennings also revealed he carried a good-luck charm in his pocket while taping his guest-host stint that had a connection to Trebek: an audience ticket from Trebek’s first time hosting the show in 1983: