Sentence:  Jackson, working on production this summer, sounded very much as if he were missing the trilogy already: "Each movie has a very different tone, feel and structure so I've never really felt like I've been trapped in a <WSD>Groundhog Day</WSD> for seven years working on one project." 
Meaning of the word marked with <WSD> tags:  A situation in which events appear to be repeating themselves in a cyclical fashion.