Strong emphasis on family and friendship.

Frequent action violence with fists, guns, bows, and kryptonite all serving as weapons. Characters face life-threatening situations. Some shooting deaths with blood.

Contains some sexual content including scenes where nudity is implied (in one episode a murder victim -- a teenage girl -- waits for her date in the shower). Main teen characters decide to have sex.

Contains mild expletives ("hell," "damn," "piss," "bastard," etc.).

Ford convertibles and Chevrolet trucks are visible.

Early episodes feature high school parties that have included alcohol, and Lex Luthor drinks scotch. Occasionally characters reveal addiction problems. Clark's use of red kryptonite, which controls him and alters his behavior, is also akin to a drug addiction.