This television movie reunites the Seaver family once again. Mike, who is now married to Kate, and has kids of his own, and Carol, who is a successful lawyer, both meet up with their family in Washington D.C. for their parent's wedding anniversary. When Maggie is fired, she decides to run for Congress, at which time her entire family rushes in to help her campaign.
In this second television movie, the Seaver family reunites once again. This time, Jason and Maggie plan on selling their home and setting out to travel the world together. Mike and Carol do not approve of their parents' plan and try to convince them to stay, while Ben who is a real estate agent would like to help them sell the house.
The first day of school proves to be a challenging day for all four Seaver children. Carol has trouble settling into her dorm room at Columbia University and isn't too fond of her new roommate. Meanwhile, Ben and Chrissy try their hardest not to destroy their reputations on the first day, while Mike takes a teaching job and realizes that he as a teacher has a lot to learn.
Mike discovers that one of his best students, Luke Brower, is homeless and living in the school basement. He tries to help the boy, but ends up making matters worse. Meanwhile, Maggie who has prepared a dinner for Mike's girlfriend, Kate, grows frustrated when she learns of her strict diet.
Mike convinces his parents to let Luke stay with them temporarily until they can find him a good home. However, the family grows worried when they notice a large number of wine bottles are missing and all signs point to Luke.
When Maggie and Jason are both offered columns in the "Long Island Sentinel", they soon learn that the newspaper only has the budget to take on one new column and the two are forced to battle it out to see who can write the better column and get the job.
Luke isn't too happy when the Seavers find the perfect family to take in Luke. Meanwhile, Mike's character in the soap opera "Big City Secrets" has finally woken up from his coma, which means that Mike will now have actual lines on the show. His big day is ruined though, when he learns that Luke plans to run away, and he has to go stop him.
When it is discovered that Jason has a hernia and must undergo surgery, he leaves the boys in charge of organizing his psychiatric banquet. A week after the surgery, when Jason accidentally takes too many pain killers, he makes a fool out of himself at the banquet as everyone gets to see a side of Dr. Jason Seaver that they've never seen before.
Maggie and Carol go to a resort for the weekend, leaving Jason and the boys home alone. Their fun-filled weekend comes to a screeching halt, however, when Chrissy is sent home from school with a bad case of head lice.
Chrissy refuses to go to bed because she is convinced that the real fun around the house takes place after she falls asleep. Jason comes up with a plan to let her stay up the entire night so that she can see for herself that it's business as usual. However, he picked the worst possible night to do this when the worst luck ever practically turns the Seaver home into a carnival.
For her column, Maggie must test out a vacuum cleaner and write a review on the product. When Ben accidentally destroys the cleaner and doesn't tell her about it, she wrongly accuses the company of misleading consumers in their advertisements.
When Maggie's mother wants to sell her house and move to Florida, Maggie pays one last visit to the house she grew up in, where she is then flooded with old memories of her childhood and her parents.
When Mike learns that Luke's birth father is in town and wants his son back, he keeps this from Luke and devises a plan to get the man to change his mind and leave town. His plan works, but then Mike realizes that isn't fair to Luke to keep him from seeing his father, so he allows Luke meet with him and decide what he would like to do for himself.
Ben has plans to take a college entrance exam, but when he overhears his father say that he isn't smart, his feelings are hurt and he gives up on the test.
It's Christmas but the Seaver family is not feeling the holiday spirit. Carol finds herself angry when Dwight goes on a date with another woman, and Mike jealous when he learns that his model girlfriend, Kate, will be taking part in a risque photo shoot. The rest of the family has trouble dealing with the Christmas tree.
Mike and Kate along with Carol and Dwight wind up on a not-so-fun ski trip with Ben, Luke and a few of their most troublesome classmates.
When Luke meets up with an old friend, Barney, he is invited into the Seaver home to celebrate Luke's birthday. But Luke soon learns that his friend isn't all that he seems when he discovers Barney stealing from the Seavers.
When Luke is grounded for violating curfew, it's Mike who takes the blame when Luke still disobeys his punishment.
Ben is outraged when he learns that the girl he wanted to take to the dance is going with Luke.
When Ben is being tormented by a fellow classmate, he decides to take up karate to give his self-confidence a little boost.
Mike isn't happy with the impression his best friend, Eddie, is having on Luke. Meanwhile, Ben shoots a video of the family to send to Carol, who is off studying in London.
When Luke finds out about his father's serious condition, he decides to join his father on the road and says his goodbyes to the Seaver family.
Maggie, who feels that she hasn't accomplished as much as she had hoped to by this point in her life, decides to fulfill a long-time dream of hers- climbing a mountain.
A power failure leaves Maggie and Jason stuck in traffic, while Ben is babysitting his little sister, Chrissy, who is afraid of the dark. Mike and Kate are also trapped with Carol and Dwight and the two pairs begin to get on each others nerves.
In this flashback-filled episode, Maggie stuns her family with the news of an amazing job offer in Washington D.C. The entire family is supportive of the move, except for Ben, who refuses to leave the house he grew up in.
After Ben's blessing, Maggie decides to take the job offer and the family begins to prepare for the move. With moving day here, the Seavers are ready and excited about starting a new chapter in their lives- but not before having one final meal as a family where they reminisce about the fun times they've had together in the house.