This much we know about the upcoming season of Smallville:
- It will be the show's last.
- Allison Mack will only appear on a few episodes as Chloe.
As for teases, spoilers and guesses, The CW has provided us with the following press release. It lists Cassidy Freeman (Tess) as a series regular and it gives fans a couple clues about what's ahead:
Season 10 promises the classic reuniting of the timeless romance between Clark and Lois, and brings Clark face-to-face with his destiny as he overcomes his final trials and forges the iconic identity that will be known for all time.