Resident Alien has already had a Firefly reunion, but season 4 is giving the Alan Tudyk show a shot at redemption with another incoming guest star.

This included a few former Firefly cast members as well ... they were supposed to originally reunite on another hit TV show. ...

On the TV side of the equation ... And topping the list this week is a new show starring Katherine Heigl and Sarah Chalke called Firefly Lane. From showrunner and executive producer Maggie ...