Sea serpents unleashed! The Kwapongs make slithering sea serpents, Justice and Beatrice transform into the iconic American Gothic painting, and Nadia Shireen draws Grimwood stars! 

The Kwapongs make the wildest animal masks ever - but who will win? Michelle Wibowo makes Taylor Swift from old coffee, and Dame Sarah Storey draws a red panda! 

Twin makeover battle! The Kwapongs create tie-dye looks for the twins to rock on the red carpet, Simon O'Rourke sculpts a dragon, and Mollie Pearce draws a capybara! 

Plant pots with faces? These Kwapong creations are seriously weird - but whose is the weirdest? It's a gold v silver showdown, and Joe Wilkinson draws an astronaut in space. 

Cute, fierce, or both? The Kwapongs make transforming plushies by stuffing old socks! Jamie Wardley builds an epic sandcastle, and Kadeena Cox draws her sausage dog, Max. 

The Kwapongs make self-driving Grand Prix race cars, the twins battle it out making bag charms, and Ravneet Gill draws a cute cake that looks good enough to eat! 

Cake or secret storage? The Kwapongs make colourful cake slices that double up as secret storage, Big Manny draws a beaver scientist, and Mum and Dad become the Mona Lisa! 

Pop art heroes! The Kwapongs create superhero self-portraits - but whose alter ego will save the day? Josh Widdicombe draws a pygmy hippo, and Favour Jonathan welds a metal leopard! 

It's boys v girls! Who builds the wildest monster golf course... and beats it? Fire the Gladiator draws a phoenix from the flames, and Bristles races through Hokusai! 

It's kids v parents! The Kwapongs make smashable pinatas and remix classic art in Liverpool. Maisie Adam draws a footballing narwhal, and an illusion artist makes her face vanish. 

One picture or two? Watch the Kwapongs make images that transform before your eyes! There's a visit to Liverpool's Walker Art Gallery, and Jamie Smart shows how to draw Bunny vs Monkey! 

Memories that glow? The Kwapongs turn their best moments into light-up art. James Acaster draws a drumming sloth, and Hatch transforms a fire engine with VR goggles and spray paint. 

It's boys v girls! The Kwapongs make epic family shields - who will win the battle? Rose Matafeo draws a robot with a squiggle friend, and Helenya Apostolou creates a magic moving picture. 

It's a brothers v sisters basketball battle - who will build the ultimate court? Alex Horne draws an axolotl with a bottle, and the family remix a masterpiece at Tate Britain. 

Lava lamps that come to life? The Kwapongs create lamps to send into space - but who wins? Roisin Conaty draws a bubble-blowing mouse, and the family spin their way to hypnotic art!