When Tina Greer impersonates Lex Luthor, she writes his signature right-handed while the real Lex is left-handed.
Clark Kent uses the following abilities in this episode: super strength, super speed, invulnerability, Multi-spectrum Vision, and X-ray vision.
As the title might suggest, this is the first episode in the series to highlight Clark Kent's X-ray vision.
Clark Kent develops X-ray vision in this episode. He also unknowingly develops his Multi-Spectrum Vision, as he is able to detect the radiation that is emitted by Kryptonite.