Watch free-to-view highlights from the Baggies' triumph over the Spireites in their Emirates FA Cup third-round replay.
Goals from John Swift, Tom Rogic, Jake Livermore and a maiden goal on his first-team debut for academy graduate Jovan Malcolm helped Albion reach the fourth round of the competition under the lights at The Hawthorns.
Check out all the WBATV footage from the game in the video above.