This is one of the less happy episodes of “For All Mankind,” but we’re here to break it down, especially the shocking ending! Nobody said going to Mars would be easy. That wouldn’t be much of a show. Also: Dev uses democracy to hide from responsibility, Ellen reminds Margo what NASA is good at, and DJ Kelly is dropping tunes from space on her 1990s iPod.

Dan Moren and Jason Snell.

This is one of the less happy episodes of “For All Mankind,” but we’re here to break it down, especially the shocking ending! Nobody said going to Mars would be easy. That wouldn’t be much of a show. Also: Dev uses democracy to hide from responsibility, Ellen reminds Margo what NASA is good at, and DJ Kelly is dropping tunes from space on her 1990s iPod. - Dan Moren and Jason Snell.