A thrillingly doom-laden series finale, it's the most enveloping "M:I" film since "Ghost Protocol," because something's at stake.

The Final Reckoning. Mission: Impossible — The Final Reckoning — the latest, and possibly last, part of Ethan Hunt's journey (more on that in a bit) — is finally here. And, clocking in at nearly three hours,

The two hour, 49 minute conclusion to the seven-sequel franchise is self-congratulatory and inanely plotted. But, as always, it's fun to watch Tom Cruise, now 62, execute eye-popping stunts.