I have an old BIB book (syndication guide) and at one time there were 149 episodes in the package. No idea was it was paired down. But it happens. All of the Bendix Life of Riley shows were originally syndicated but in the 80s it was cut down to 91 shows.
Not that we'll likely ever see them...
In terms of availability in the long time collectors world, December Bride did air on a couple of stations in the 80s, as did Life of Riley. Love that Bob aired on CBN. Private Secretary ran uncut on Nick and Nite. My Little Margie gets treated as PD and has popped up in a number of places as...
I would have to go with Jack Benny, since the majority of the series was done either live or videotaped, although those tapes are all burned up in the Universal fire and only kinescopes of those episodes remain. But even if you take into account the PD releases, almost of half of the series...
December Bride
Make Room for Daddy / The Danny Thomas Show
Burns and Allen
Love That Bob
Bachelor Father
Private Secretary
Jack Benny Program
Life of Riley
The Gale Storm Show (Oh Susannah)
My Little Margie