Notably missing from the Archive are the entire first two weeks of the 2010 season (September 7–18, 2009) and the episode aired on April 1, 2010 (an April Fools' Day prank where Alex Trebek hosted in a leisure suit, which rights holders have aggressively scrubbed from the web).
The Internet Archive allows a modern reader to realize that Watson’s victory (winning the 2011 tournament) was not a foregone conclusion. In 2010, the consensus among trivia purists was that human intuition would win. That assumption is frozen in the digital amber of the Wayback Machine. jeopardy 2010 internet archive