The misadventures of a large family formed by the marriage of a woman with 3 daughters and a man with 3 sons.
The Bradys leave their familiar home for a place on the beach after being chosen to star in their own weekly variety show. Produced without permission by Sid and Marty Krofft, the show is considered to be outside of the Brady Bunch continuity. "The Brady Bunch Hour" began as a 60 minute special titled "The Brady Bunch Variety Hour" which aired on ABC on November 28, 1976. The success of this special led to a semi-regular series of which eight additional 60 minute episodes were produced and aired from January to May 1977. None of the installments were ever repeated in their entirety on network television, and the show is best remembered for Geri Reischl replacing Eve Plumb as "Fake" Jan.
When Marcia and Jan both find their own one true love, they announce at the same time that they are getting married, and they make plans for a double wedding. After the wedding, when the couples look for a house, they notice that a house would be too expensive for each couple, so they decide to share a house. The show featured the life of two couples living together in one house.
Comedy/drama series catching up with the Brady family as they cope with challenges and difficulties.
Mike and Carol Brady have a savings account, which both spouses planned to use to bankroll a vacation for the other; Carol wanted to take Mike to Greece, while Mike wanted to treat Carol to a trip to Japan. When they realize their ideas collide, they use the money to try to reunite the entire family for Christmas by paying for airline tickets for their children, grandchildren and their in-laws.
Larry Dittmeyer, an unscrupulous real estate developer, explains to his supervisor that almost all the families in his neighborhood — except for the Brady family — have agreed to sell their property as part of a plan to turn the area into a shopping mall.
One evening, a man claiming to be Carol's long-lost first husband, Roy Martin, shows up at the suburban Brady residence. The Bradys believe his story about suffering from amnesia and having plastic surgery after being injured. Mike has been planning a second wedding/renewal of vows for himself and Carol, for an anniversary present without her knowing, although Roy's arrival throws a monkey wrench into things. Throughout Roy's stay, he is openly hostile to them, his sarcasm and insults completely going over their heads. Peter, who is trying to decide what career path to choose, starts idolizing and emulating Roy, which frequently gets him in trouble at the architect firm where Mike works.
Bobby finds a winning lottery ticket but Mike insists that it be returned to the rightful owner. Mike then invites people to the house to prove they are the owner but none are able to answer correctly what the original wrote on the back of the ticket. A local newscaster hears the story and Mike agrees to an interview in hopes of finding the original owner.
The movie is about the production of the 1969–1974 American Broadcasting Company sitcom ''The Brady Bunch'', on which Williams played teenager List of The Brady Bunch characters#Greg Brady, with backstage dramas among the cast and the show's producers. However at times some of the scenes have been slightly altered from what actually occurred in real life. The film is dedicated to the memory of Robert Reed.
