Ken Jennings kept 'Jeopardy' win a secret from children

He won $1 million and the title of "greatest of all time" weeks ago, but couldn't tell anyone -- though he did reveal the victory to his wife.
1:15 | 01/16/20

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Transcript for Ken Jennings kept 'Jeopardy' win a secret from children
Funny tonight jeopardy is greatest of all time. It all came down to final jeopardy did he come up with Iago. He did not. Can get a good pick. Greatest of all time. Ken Jennings walking over to Alan. Just three games in grad will be can up. Rob and asking this morning as a steady what is it like when you knew you had a clinched. I just remember feeling shock I have never I've been a lot of these jeopardy super terms and I have an amazing talent for finishing second. So I had no idea what to do when you actually went through that you walk over and stand by our. Tournament was taped last month but can kept it a secret from everyone but one. My wife knew right in order divorced me I told my wife media. At that my kids didn't know my parents didn't know Al everyone knows the trophy billion dollars. Ken Jennings. It was fun I'm David Muir out see right back here tomorrow. If it.

This transcript has been automatically generated and may not be 100% accurate.

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