When the credits roll on a popular soap opera, or the ref blows the final whistle during a big soccer match, workers for Great Britain’s National Grid have to prepare for an onslaught. Backup power stations are prepped, and hydroelectric dams are readied to release millions of gallons of water. The reason? Everyone is running to make tea at the exact same time.

In our video above, see how a spot of tea puts England's power grid in a bind.

Banner images via Getty.