The Flickering Bridge

Mick and his friends fought off the threats to London's time travel alleys, but they suspect those efforts were only the beginning. So when people start getting attacked in the real world, and the time alleys start flickering with unexplained lightning, they're pretty sure that danger is soon to follow. As the threat materializes, the Forsyth Institute once again presses Mick and his uncanny alley sight into service to protect the alleys and the kids inside them.

But this time, the threat is...