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.

Lucio is home from the hospital and eager to prove that what Yago told him is true while Morena attempts to set things straight with him.

An unexpected guest arrives in the middle of Morena's heart-to-heart with Yago.

Federico does not take kindly to his children's prying as Ramon confides in Rocky regarding his past romance.

Morena's mother continues to try to clear the air between them as Lucio confides in Melina regarding Fabio.

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.

Will Kevin and Fede become part of a clique or form one of their own?

Kevin becomes a man in more ways than one.

Kevin learns that when they are shared with another person, even sad events can teach us to appreciate life.

Lucio is determined to make Yago an official part of the Sirenio family while Morena's mother attempts to mend family ties.

Damian attempts to get in on Federico's business dealings while Federico warns Luisa against walking out on him.

While Bobby and Bernardo commiserate regarding their woes with women, Ivo's mixed messages infuriate Milagros.