The Catalan outfit host Napoli in the last-16 second leg tonight, with the tie poised at 1-1.
It has been more than five months since the first leg and both teams have had ups and downs since then, with Barca finishing second and Napoli seventh in their respective domestic leagues.
Here’s all you need to know about the game.
When is it and what time is kick-off?
The match will begin at 8pm BST on Saturday 8 August at the Camp Nou.
How can I watch it online and on TV?
The game will be broadcast live on BT Sport 2 and BT Sport Extra 2.
Subscribers can also stream the match on the BT Sport website and app.
Barcelona XI: Ter Stegen, Semedo, Pique, Lenglet, Alba, Roberto, De Jong, Rakitic, Messi, Suarez, Griezmann
Napoli XI: Ospina, Di Lorenzo, Manolas, Koulibaly, Rui, Fabian, Demme, Zielinski, Callejon, Mertens, Insigne
Barcelona — 4/6
Draw — 13/4
Napoli — 9/2