By the mid-to-late 1970s, Star Trek was about as far removed from just being a canceled television series as you could get.

The eighth film in the "Mission Impossible" franchise follows spy Ethan Hunt (Tom Cruise) as he embarks on world-saving adventures.

Mission: Impossible - The Final Reckoning co-writer/director Christopher McQuarrie talks thinking about killing Ethan Hunt, and why that didn't happen.