Pep Guardiola returns to his former club on Wednesday 19 October and fans who are not travelling to the Nou Camp can tune in regardless of whether they have a BT Sport subscription or not.
BT Sport Showcase will host a number of UEFA Champions League games throughout the 2016/17 campaign.
With Sergio Aguero, Kevin De Bruyne and fourth time in three seasons, our Group C clash with the Catalan giants is the latest fixture to be aired for free.
BT Sport Showcase is available on channel 59 on Freeview and UK-based fans can also watch the game online with the BT Sport website.
Supporters can tune in from 7pm to enjoy all the build-up ahead of one of the competition's most eagerly anticipated fixtures, which kicks off at 7.45pm.