That '70s gang is back for another season but it doesn't start out on a happy note for Eric. Remember how the season ended? Donna and Eric split up over the promise ring.
Now Eric is living in heartbreak-land and wishes they had never been together. An angel pays him a visit and shows Eric how his life would have turned out if they had never been a couple. The angel shows him the future, including the hideous woman he ends up dating instead. He finds out Donna marries Hyde. Some things never change though - Kelso doesn't end up getting back together with Jackie, but they still continue their crazy relationship. Eric comes to realize that his relationship with Donna affects the future of the whole gang.
The angel makes him realize the old clich