After learning her parents are getting a divorce, Topanga calls off the wedding, so Cory and Shawn go to Pittsburgh and try to persuade her parents to get back together. While in Pittsburgh, they learn that Jedadiah left Rhiannon for another women. Eric Gets a New Haircut.
Both couples Cory-Topanga and Angela-Shawn split up Topanga and Angela Move in with Rachael without telling Eric and Jack. So the boys go against the girls to see who gets the apartment and the girls win, and Eric vows to seek revenge on Topanga for beating him up so easily.
Corey and Topanga finally tie the knot but not without dealing with Shawn's concerns for his future friendship with Corey and Eric arranging for his brother to have a nicer wedding at an upscale hotel.
While on their honeymoon Cory and Topanga consider staying there permanently, but change their mind when they start missing their family and friends. Eric follows Cory and Topanga on their honeymoon on a quest to make up for the things that went wrong in the wedding.
Cory and Topanga decide that a house is not right for them when Shawn convinces them to fix up their apartment.Meanwhile Jack and Eric get a new boss at the student union.
Shawn has trouble dealing with the fact he doesn't know who his parents are.Meanwhile Eric throws a surprise party for Alan but, Shawn gets a even bigger surprise when the Matthews offer to adopt him.
Cory overreacts to a low score on a health test that says he should be dead already.Meanwhile Eric joins the family buisness but, Amy and Mr. Feeny don't think its a good idea.
After the prank war got out of hand the gang comes close to breaking up even Mr.Feeny's intervention could not help.We even get a glimpse into the future how everyones life turned out if they lost all contact with each other.
After their friends don't invite them to go to this cool night club with them Topanga feels like married life has mellowed them out so they throw a party in their apartment on the same night as a popular guy on campus party. Meanwhile after Eric hits his head he gets psychic powers of which Jack takes advantage of.
Eric feels hurt when Cory invites Shawn and Topanga to clean out the garage instead of him and it make him feel like Cory doesn't wanna hang out with him any more. Meanwhile Jack and Shawn spend some brotherly time together but, can't seem to find anything in common.
When Topanga is stressed out she is transported to a 1980s black-and-white setting where she doesn't remember anything about her past and it teaches her no to so uptight.
When Angela's father wants to take her to Europe for a year Shawn has to make a decision whether to let her go or ask her to stay. Meanwhile Jack,Eric,and Rachel think about their future.
As all the friends say goodbye to each other they all make one last stop to Mr. Feeny's Classroom for their last goodbye to Mr.Feeny where he gives them his very last piece of advice.