Tune in to Alva's World, where our everyday hero explores online safety and more...

Watch the full box set here!

With the help of her Oolie friends and robot Mo, Alva learns how to navigate the world of Gizmo, a place that looks a lot like the internet and can be great fun once you know where to go.

In the clip above on the RTÉjr YouTube channel Alva's older sister, Nessa, colours her eyebrows green after she gets inspired by an online influencer. Alva joins in on this trend. Meanwhile, in Gizmo, Mayor Garth is influenced to dress differently.

Everyone seems to join in on these trends, but are they actually COOL?!

You can find loads of cool content on RTÉ.ie/kids!