Some of the episodes have a sexual theme to them with Lois wearing outfits that reveal some cleavage. Passionate kissing scenes throughout series. In season four, there is a lot more romantic parts, such as a long kissing scene and some scenes that imply sex.

Brief shooting and fighting scenes. No blood or gore is seen as Superman goes unharmed due to his invincibility powers.

"Damn," "Hell," and milder profanity is heard.

Lex Luther is seen smoking on several occasions. Some drinking scenes at a bar. In an episode, we see Clark Kent drink alcohol heavily as he's unaffected by drug substances.