After overturning Crewe's lead, the Reds were pegged back twice - the hosts' third coming with virtually the last kick of the game - as Rhys Oates and Nana Boakye-Yiadom (2) bagged the goals.
You can watch Barnsley's goals below on our official YouTube channel.
Reds team: Davies, Williams, (Gooda 46), Templeton, Rogerson, Cowgill (Jeffs 71), Abbott, Phenix, Maris, Oates, Boakye-Yiadom, Lalkovic (Alton 75).
