Anderson Cooper's Jeopardy! debut marked the first time his 1-year-old son watched him on TV

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Cooper wrote on Instagram: "Wyatt has never seen me on tv before, and he likely won’t for a long while, but apparently he caught a bit of me on @Jeopardy! It was a dream come true to be guest hosting, and to pay tribute to #AlexTrebek and raise money for" Hospital Albert Schweitzer in Haiti.