Winslow Schott is Smallville's version of comics villain "The Toyman."
In the episode Winslow Schott is seen talking to a dummy and using a monkey that claps, this is the Toyman's iconic items he's used in not only CW's Supergirl "Childish Things", but also in the Batman The Animated Series, Superman The Animated Series, and The Batman.
Lex Luthor is not portrayed by Michael Rosenbaum in this episode.
In one of the last scenes Oliver is seen holding Lex's kryptonite ring. Lex first wore this ring in Season Four's "Onyx".
This episode marks Kristin Kreuk's 150th appearance as Lana Lang, joining Tom Welling, Michael Rosenbaum, and Allison Mack as the only four actors to make it to 150 or more episodes.