Jonathan Taylor Thomas made another appearance on Smallville in the Episode "Asylum" which aired January 14th on Warner Bros. You can find some screenshots from the Episode in the Gallery: More info on the episode .
Smallville
Jonathan to reappear in Smallville
Trailer for “Smallville”
Smallville Update
The first Screenshots from the Smallville episode "Dichotic" released by Warner Bros. The Warner Bros describes the episode "Dichotic" as: "When Clark tries to warn Lana and Chloe (Allison Mack) about Ian (guest star Thomas), an overachieving student who is surreptitiously dating both girls, they accuse Clark of jealousy but realize too
Jonthan to guest “Smallville”
Update: The episode will air on Novemeber 19th at 9PM Jonathan is appearing in the second season's nineth episode called "Dichotic," which filmed last week in Vancouver, British Columbia. The episode's air date has not been announced by The WB yet, but it will likely be in the middle of November. Jonathan