Previously, from 3 November 1974 to 29 March 1978, segments of the original Sesame Street were simply acquired by Televisión Española (TVE) and dubbed into Spanish to be aired with the title Ábrete Sésamo (es.
The person responsible for the Children's Department at the station commissioned the American co-production company, CTW USA, to create and provide new "Spanish" muppets with new names.
The Sesame Street sketches in La Cometa Blanca were so successful with their young audience that the Spanish version was given another chance in 1983.
Other characters included: In 1983, one year after the second season started, a new government won the elections in Spain and José Maria Calviño was appointed as Director General of RTVE.
The show finished around April 1988 and was replaced by Los Mundos de Yupi, a similar program fully produced by TVE, featuring three extraterrestrial characters.
Sesame Workshop produced 26 episodes in English, which initially aired dubbed in Spain on Antena 3 as a Barrio Sésamo mini-series called "Monstruos Supersanos."