Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Two years after the death of her mother, an engineer successfully builds a time machine to save her.
There are no TV Airings of Then Again in the next 14 days.
Add Then Again to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".