'Kuu Kuu Harajuku' is an ongoing animated television series created by Gwen Stefani, originally airing on Nickolodeon/Nick Jr in 2015 with two seasons. The show centres around the quintet girl band HJ5, composed of the four Harajuku Girls and their leader G.
S2E1: Training DayEdit
Having missed their train, the girls use their rocket-powered skateboards to catch up with it, only to realise they're about to crash into a billboard. They're saved thanks to their helmets' emergency airbags activating and harmlessly bouncing them off the billboard.