WASHINGTON (WJZ) — It happened again. The song “Baby Shark doo doo doo doo doo” made its second World Series appearance.

Fans joined in on the earworm turned good luck charm when Gerardo Parra went to bat on the bottom of the sixth.

The outfielder got a walk.

LATEST: World Series Game 4

The Nats are leading the series 2-1, but lost at home Friday.