Question: when did are you smarter than a 5th grader first air?
Evidence: The original U.S. version debuted on the Fox Broadcasting network on February 27, 2007, with host Jeff Foxworthy, airing on Fox until 2009, as a syndicated TV series, between 2009 and 2011, and then revived on Fox in 2015, and again on Nickelodeon in 2019, with new host, John Cena.
Answer: February 27 , 2007