Show #6403 Today's Contestants: Austin Baird vs. Marjorie Parker vs. David Menchaca Details Casts Title Show #6403 Genres Reality Family Release Date 2012-06-20 Episode Runtime 00 Hours 30 Minutes Season Number 28 Episode Number 198 Production Companies Sony Pictures Television, Columbia TriStar Television, Jeopardy Productions, Merv Griffin Enterprises Alex Trebek Self - Host Johnny Gilbert Self - Announcer (voice)