Física o Química is a Spanish drama television series produced by Ida y Vuelta Producciones for Antena 3 that was originally broadcast from 4 February 2008 to 13 June 2011. In this series they talked about topics such as: drug abuse, suicide, racism, domestic violence, rape, sex, virginity, pregnancy, homosexuality, anorexia nervosa, bulimia nervosa, cheating, forced marriage, same-sex marriage, adoption, cancer, lack of self-confidence, death, homophobia, xenophobia, prostitution, unprotected sex and forbidden love.

A reunion miniseries titled Física o Química: El reencuentro premiered on 27 December 2020 on Atresplayer Premium.