Making a movie about the end of the world funny is hard to do, especially if it's grounded in reality, like Don't Look Up is.

The unexpected follow-up movie was announced last month, with Brad Pitt set to reprise his Oscar-winning role as Cliff Booth.

When I first heard that “Nouvelle Vague,” Richard Linklater’s ingenious and elating docudrama about the making of “Breathless ...