Redshirts was a letdown after the wait. The Star Trek parody stuff is great, but it kind of meanders away from the plot several times.
Yeah, the concept itself was fun, but its execution was terrible, almost as if he didn't know what to do with it. And the ending was rather abrupt. The codas themselves were technically fine, but as a whole, they really went against the flow of the rest of the story and felt rather disjointed.