Happy Halloween! We have a special spooky treat for all you Alva's World fans out there - there's 30 minutes of ghosts, monsters and more from Gizmo.

Just press play up top!

Of course, the Trolls are there to add some of the scares! So, it's up top Alva to step in and save the day as usual.

Alva is always there to help the Oolies defeat the trolls. Check out her highlights reel below!

Alva's World

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.

Click here to watch the full box set on the RTÉ Player!