Tiny, tiny, tiny progress is made in the present as there is a brief
focus on Sakura's care of Tsunade, but that's just a very minor set
piece made in order to go back to the past once again. This time it's an
incident three year prior when Tsunade was the Hokage and Sakura was
doing her initial training under Tsunade to become like her and excel at
the healing arts. It was a change for Sakura that at the time I really
liked and it made her re-introduction into the Shippuden world really
nicely done since she gained some skills and confidence in herself,
making her more her own character that one tied puppy-dog like to
Saskuke. So going back to when she was just getting into all of it isn't
a bad thing since it doesn't take us back to when she was much younger
and more shrill.
Unfortunately, the story for this is just a bad parody of sorts of innumerable live action movies and TV series out there. The show focuses on a viral outbreak in the leaf village that could disable so many of its citizens which in turn would make the entire village susceptible to a crushing blow of an attack from its various enemies. Naruto gets attacked by a group of people wearing hazmat suits and Sakura finds herself falling to the virus itself which has Tsunade working desperately to try and figure it all out. Things get so bad so fast that the whole village itself seems like it's emptied overnight, which leaves Naruto wandering around looking for Sakura.
Where the episode lost me completely, and I mean to the point where I was ready to close the window, was when a laser sighting tagged Naruto on the forehead. I know the show plays a bit loose with technology at times, but this just pushes the whole thing outside of what I want to see out of it. With this taking on the basic overall ideas of the Outbreak movie and all sorts of other things from that genre, it's not looking like a Naruto episode but a cross between one and things that don't belong. The ninja elements are pretty standard and you know that this has no long term effect, but the mixture of it with the virus and the hazmats, laser sightings and more really just pushed me away from it, even for a filler. Some of the past ones haven't been bad, but this one made me cringe.
Source Here: http://www.mania.com/naruto-shippuden-episode-183_article_126070.html