THE WORST WITCH - Season 4: VFX breakdown by Flipbook Studio - The Art of VFX. Here is the VFX breakdown by Manchester company Flipbook Studio about their work on the fourth season of THE WORST WITCH:WANT TO KNOW MORE? Flipbook Studio: Dedicated page about THE WORST WITCH on Flipbook Studio website. (c) Vincent Frei - The Art of VFX - 2020.