Nada es para siempre () is a Spanish teen drama television series that originally aired on Antena 3 from July 1999 to December 2000. It is an adaptation of the Venezuelan telenovela A todo corazón.
The plot tracks the vicissitudes of a group of highschoolers.
Consisting of an adaptation of the Venezuelan telenovela A todo corazón, the series was created by Carlos Cerutti, Alberto Giarrocco and Jose A. Méndez. The series was shot in A Coruña. The Colegio Obradoiro served to portray the fictional high school. The series' opening theme was performed by .
The series premiered on Antena 3 on 5 July 1999, ending its broadcasting run in December 2000, after 2 seasons and 375 episodes. Laura Visconti, developing the A todo corazóns remake titled A puro corazón, also drew inspiration from the subplots of Nada es para siempre.