Andy Ackerman on working with Alex Trebek for the Jeopardy! episode of Cheers, "What is... Cliff Clavin?"

Harry Friedman on Alex Trebek as host of Jeopardy!

Michael King on hiring Alex Trebek to host Jeopardy! and working with Merv Griffin

Roger King on acquiring the distribution rights to Jeopardy!, and on hiring Alex Trebek to host the show

Pat Sajak on swapping hosting duties with Jeopardy!'s Alex Trebek

Vanna White on Alex Trebek hosting Wheel of Fortune and Pat and Vanna playing against each other