In the championship round of "Celebrity Jeopardy!," semifinal winners Ike Barinholtz, Wil Wheaton and Patton Oswalt battle for the $1 million grand prize and the title of "Celebrity Jeopardy!" champion.
Host Mayim Bialik praised her fellow actors who put their smarts to the test.
"The breadth of information that these contestants have had, it's been really, very impressive," she said.
Tune in to see who wins the "Celebrity Jeopardy!" finals on Thursday on ABC. Watch episodes on demand and on Hulu the next day.