There are two "complete series" releases for Kung Fu.
The first, from 2007, is simply the original flipper sets in a nice box. It has 11 discs total, just like the individual releases:
The second, and the one to get, is *all* SS discs with 16 discs total. It's the 2017 release (called...
That was intentional and a later release. The original release DVDs presented it in OAR (4:3). Currently you can get the OAR for LIS by purchasing the BR set, unlike Kung Fu which has *no* correct, all seasons in OAR, release. The original Battlestar Galactica also got a WS conversion with the...