Casi Ángeles (English: Almost Angels) is an Argentine teen telenovela by Cris Morena which was aired by Telefe. Its first broadcast was on 21 March 2007 and it ended on 29 November 2010, with a total of 579 episodes divided over four seasons. It is considered one of the most successful Telenovelas in Argentinian television history. A star-studded soap-opera, Casi Ángeles stars Nicolás Vázquez, Emilia Attias, Mariano Torre and Teen Angels (Juan Pedro Lanzani, Mariana Espósito, Gastón Dalmau, Nicolás Riera, María Eugenia Suárez). Also due to the success of the show, the pop band Teen Angels emerged, composed of Juan Pedro Lanzani, Mariana Espósito, Gastón Dalmau, Nicolás Riera, María Eugenia Suárez. The show can now be watched on YouTube.

It gave rise to the emergence of the pop band Teen Angels, made up of Mariana Espósito, Juan Pedro Lanzani, Nicolás Riera, Gastón Dalmau and María Eugenia Suárez. In 2011, Rocío Igarzábal, who was a member of the main cast of the telenovela and had participated in several songs, replaced Suárez. In the series, Rocío was part of the group Man, which made up their competition. Along with her, that group consisted of Agustín Sierra, Candela Vetrano, Pablo Martinez and Maria Del Cerro. The group released five studio albums and two live albums, counting four theatrical seasons performed at the Gran Rex in Argentina, touring concerts along the interior of Argentina, some Latin American countries, as well as Israel.