I believe (but it is like fodder for another question) that Happy Days may be part of the largest spin-off tree in TV History (To the date of this posting)

Is there a compiled list or graphic of the tree? (Noting that HD was a spin off so if it's parent Love American Style had other spin-offs, then they belong on the tree as well.

  • 1
    All in the Family has a pretty large one, too.
    – jonsca
    Commented Feb 4, 2012 at 6:29
  • Arrested Development probably isn't considered a Happy Days spin-off, but it almost should be. Commented Feb 6, 2021 at 0:05

1 Answer 1


Well, a little bit of research turns up this hierarchy:

    Love, American Style
        Happy Days
            The Fonz and the Happy Days gang (animated)
            Out of the Blue
            Laverne & Shirley
                Laverne & Shirley in the Army (animated)
            Mork & Mindy
                Mork & Mindy (animated)
            Joanie Loves Chachi
            Blanksy's Beauties
        Wait Till Your Father Gets Home

The Mork and Mindy animated was actually a combo with the other two animated series. But it seems like the hierarchy ends there.

I also found this wiki page that may help identify those with more spinoffs, but it doesn't appear comprehensive.

  • Wasn't Happy Days also a by-product of the success of American Graffiti?
    – Nobby
    Commented Feb 4, 2012 at 3:44
  • Well, movies like American Graffiti and Grease ushered in the nostalgia for the 50's that allowed Happy Days to be successful. But, beyond that serendipitous influence, I can't find any other relationship between the two.
    – Jacob G
    Commented Feb 4, 2012 at 3:57
  • Yes but the rest of the "Love American Style" spin offs need to be there as well. Commented Feb 4, 2012 at 4:51
  • Well, there are some sites that list Barefoot in the Park and Wait Till Your Father Gets Home as spinoffs. I've added the latter to my answer, but I don't believe the former qualifies as the neither the characters nor the story appear to have originated on Love, American Style.
    – Jacob G
    Commented Feb 4, 2012 at 17:30
  • 1
    @ghoppe - Technically, I don't think that does count otherwise you could link Happy Days and Osmosis Jones based on the same criteria. :-)
    – Jacob G
    Commented Apr 17, 2012 at 17:48

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