Sub30 examines the extent to which having children can help parents to understand their own parents and also introduces us to Ricardo and Eduardo, a homosexual couple living in Bogotá.

Sub30 examines the goals and desires that parents have for their children as well as the fact that many Colombian men and women are choosing to wait longer to have children. Still, says one young Colombian couple, while one can never be fully prepared to have children, doing so opens the doors to many unexpected life possibilities.

The report regarding couples younger than thirty years old continues. In this episode, two Colombian fathers share their ideas: one about education and the legacy he hopes to pass on to his children, and the other regarding his concern for the safety of his family living in Colombia.

Sub30 introduces us to a clinical psychologist who specializes in transgenerational therapy, which emphasizes the extent to which people subconsciously reenact their family members' behavioral patterns.

This episode of Sub30 introduces us to a character who, following the death of his mother, travelled across two countries to find the father he never knew.

This final episode in the series concludes the story of the boy who, following his mother's death, goes in search of his long lost father.

"Toda la vida" ("All My Life") is the theme song which opens the Colombian version of the American hit series The Wonder Years. The song is a cover of a hit Italian song,"Tutta La Vita", written by celebrated composer Lucio Dalla. Sung by Mexican singer Emmanuel, this version was number one on the Latin charts for three weeks in 1984, replacing a different version of the very same song sung by Cuban singer Franco.

It's the summer of 1985 and 12-year-old Kevin González is spending his time playing banquitas, a Colombian form of street soccer. His older brother, Leo, is forever tormenting him, while his best friend, Fede, does his best to intervene.

Los Años Maravillos incorporates genuine archival news footage, giving us a sense of what it was like to live in Colombia in the mid 1980s. In this segment, we see reports regarding the civil conflict involving rebel forces used as a backdrop to the family drama unfolding at the González dinner table.

Unlike Kevin and Fede's previous school, this one is co-ed, arousing some anxiety in them. Fede even confesses about a nightmare in which he arrives at school naked.

Kevin's neighbor and childhood playmate, Cata, is starting the same school as Kevin and Fede. But she is sporting a new, more mature style and insists that she be addressed by her full name, Catalina.

On the first day of gym class, Kevin is determined to display his manliness as the sixth graders meet their new P.E. instructor and are given the opportunity to choose between two contrasting activities.

In the aftermath of Ricardo Mendoza's death, Kevin struggles to come to terms with his own mortality, as well as his growing love for Ricardo's sister.

Kevin's family pays a visit of condolence to the Mendozas.

Kevin and Fede experience their first sex ed class with none other than their infamous P.E. teacher, Bruno Moron.