Season 5, Episode 1 - "Turning 5 & The Future!"
25 May, 2009
Jon & Kate talk about how at the end of Season 4, Jon did not want to do another season and what they think their future holds. The sextuplets' fifth birthday is celebrated with a big party. With almost 10 million viewers, the episode was the most viewed prime-time show on any channel on Memorial Day.

