Last appearance of Henry Small
Second episode to guest star a former Home Improvement actor.
This marks the first time that Lionel Luthor and Chloe meet.
Shooting cross bow arrows through the back doors of the van would not cause it to flip. It would most likely just rip a hole in the door as the van carried on driving or, at most, it would rip the doors off their hinges.
When Clark confronts Eric at school, one can spot a male extra in the background. He reappears in "Truth", where his character is given the name Thomas "Fitz" Fitzpatrick. He also appears among the Smallville High alumni in "Homecoming".