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

Impossible film series is, unlike most Hollywood franchises, built less around lore and callbacks and more around recurring moments we expect each time we sit down in our seats to watch the latest entry.

Impossible franchise would never feel quite right moving forward without Tom Cruise. That aspect alone is one reason why very few believe it'll continue in any alternate fashion or with a different approach.