UPDATE: All Discovery shows, including Mythbusters have been removed from Netflix on October 5th, 2014. Amazon is supposed to be getting exclusive rights to it, but they don't seem to be free with Prime yet. We'll keep you updated. Here are the episodes on Amazon.
Mythbusters Season 9 is in order, despite every other season being missing episodes and out of order very badly. Hopefully the new seasons will be uploaded in order as well! This concludes all 9 seasons that are currently on Netflix instant stream.
Mythbusters Season 9: In Order
Mythbusters Seasons 1-9 Stats:
77 Episodes out of order
85 Episodes missing (plus 3 pilot episodes)
17 Episodes in order (12 of which are the in-order Season 9)