[1] In contrast to K3, which broadcast children and youth programming, SX3 airs series aimed at an audience younger than 14 years.

A mix of live-action originals and animated series from a wide variety of countries, including Japan, are aired, all in the Catalan language.

The schedule is not differentiated by specific blocks, so programs for preschoolers, older kids and teenagers all air throughout the course of the day.

The decision also coincided with the aggravation of the factors that led to the Super3 crisis: half of the supposed target group no longer watched television, leading to problems in buying content, while rethinking Super3 with a digital-first structure to continue offering content in the language across all platforms.

[10] In September 2022, CCMA announced the rebrand of the channel as SX3, divided in two strands: S3 for pre-schoolers and X3 for school-aged kids and preteens.