Don't just walk the scramble and leave. Hit the crossing at dusk when the billboards peak, then head to Shibuya Sky for the high-angle shot or the Mag's Park rooftop if you're on a budget. Skip the ground-level Starbucks; it's always packed. You only need 30 minutes unless you're joining an official street go-kart tour to zip through the traffic. It's sensory overload in the best way, but watch your pockets while filming.
