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.