There are references to Central City and Bludhaven which are home to DC Comics super heroes The Flash and Nightwing respectively.
Judging from the photograph Clark Kent gives to Lana Lang, the Talon first opened in early 1941.
Two comedy movies from the year 1941 are shown when looked at the photograph, presented by Clark Kent to Lana Lang. The Devil and Miss Jones (1941) starring Jean Arthur and Thieves Fall Out (1941) starring Eddie Albert are the two movie titles.
The first episode in Smallville to mention other DC comic locations Blüdhaven and Central City beyond Smallville and Metropolis.
This is the second episode in which the villain was not suffering from green kryptonite poisoning. The first was Rogue (2002) which shows Detective Sam Phelan's eventual fate.