Who Turned Out the Lights?

When we last left our hero Nightbat, he was flapping to some out-of-the-way Echo City destination to thwart the plans of yet another of the city's bumbling baddies. This time, he's up against Doctor Light, maybe the most electrifying villain Echo City has ever seen, and certainly that Nightbat has ever put down his BLT-on-rye, to face.