It’s not quite Christmastime yet, but Santa Claus is coming to town — or at least, Disney+ — this week. Tim Allen is suiting up once more in “The Santa Clauses,” and he’s flanked by some beloved characters from the original films. That said, Allen admits you won’t see everyone you know.

In the new series, the first two episodes of which premiere on Disney+ on Wednesday, we find Santa Claus, a.k.a. Scott Calvin, on the brink of turning 65. Realizing he can’t be Santa forever, he decides it’s time to retire, and give his kids a life in the real world. Elizabeth Mitchell returns as Mrs. Claus for the series, after first appearing in “The Santa Clause 2.”

But, it seems Mitchell is the only sequel character that will be in the series — at least for now.

“We weren’t able to get Wendy Crewson and [Judge] Reinhold…...