While undercover Clark uses the first name of "Joe" the same pseudonym his father (Jor-El) used when he first visited Earth in 1961. {Relic (#3.6)}
The plans that Lana is transmitting show Lex Luthor's battlesuit from the comics
Sarah Smyth, who plays Danny Turpin's wife Suzie, later played Sam Witwer's wife in season 4 of Supergirl (2015).
While undercover, Clark uses the surname Fordman, which was also the surname of Lana's ex-boyfriend Whitney.
David Paetkau previously appeared in episode 1.03, "Hothead (2001)", as a student on the Smallville High football team who gets caught in an academic cheating scandal.