See how students at the Rodríguez Casado de Palos de la Frontera Institute in Huelva, Spain learn to use the oil found at home to make biodiesel, an alternative car fuel.

Historians continue to discuss the subjective nature of recorded history and the fine line between fiction and fact.

Originally from Barcelona, Lydia now lives in London where, after abandoning her career in international business for one in audiovisual production, she began the “Women Mujeres Spanish Film Festival” to showcase how women are portrayed in recent Spanish film. Lydia elaborates on her career change as well as giving us some insight into the charms of both London and her native Barcelona.

Listen to late Latin salsa singer, Hector Lavoe's signature single, "Mi Gente," from the album La Voz. The hit was recorded in Africa in 1973 with the Fania All Stars.

Listen to Catalonian singer-songwriter, Joe Crepúsculo's single, "Enseñame a Amar." Crepúsculo's work is characterized by his raw, lo-fi sound which he publishes under the Creative Commons license, posting it on his website for the public to enjoy for free.

Carlitos tells a funeral joke.

The exploration of Colombian family dynamics continues as interracial couples share the stories of how they first met and fell in love.

Listen to Venezuelan-Argentine singer/songwriter Ricardo Montaner's 2012 hit single, "Convénceme" from the album, "Viajero Frecuente."

Meet Francisco Javier from Albacete, La Mancha, Spain- the “Land of Don Quixote”- as he speaks to us candidly about the nature and challenges of his work in comprehensive building maintenance as well as about his hometown’s traditions and charm.

Colombians at the Mono Núñez Festival in Cali talk about their objectives for attending it, among them the importance of preserving traditional Colombian rhythms in a period in which their mainstream popularity is waning.

Listen to Spanish singer-songwriter, model, and actor, Enrique Iglesias' single, "Mentiroso," or "Liar," from his 2002 album entitled Quizás (Perhaps).

Meet Yimmy, who grew up on the streets and in a children's home, and his daughter Karen Dayana, who almost met the same fate as her father. They make up one of the many types of families we see today.

Movie producer, Kira Moreno, is originally from Madrid but lives in London where she works in production for Indian films. In this clip, Kira explains to us a bit about her duties as a producer as well as her favorite places in London and what she misses about Spain.

Listen to Puerto Rican recording artist, Tito "El Bambino's" hit single, "El Amor," from his album, "El PATRÓN."

On this episode, we see the last part of the senses test, hearing both some of the candidates' opinions about how they did and the judges' opinions of some of the candidates.