Disclosure Day, Steven Spielberg’s latest sci-fi thriller, concludes with an alien delivering a mysterious message that the film intentionally withholds from viewers.

In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion on Earth.

Hosted by NBC News' Gadi Schwartz, featuring new interviews with Steven Spielberg, stars Emily Blunt and Josh O’Connor, Colman Domingo, screenwriter David Koepp as well as scientists including Neil De...