Following the 3-2 win at Borussia Dortmund on Wednesday, the players stayed the night in Germany, and before flying home early on Thursday afternoon, they visited the host club's BVB Training Centre in Brackel for a recovery and compensation session.
The players who did not start the Champions League encounter trained as normal.
Once back in the Catalan capital, Hansi Flick and his squad will start focusing on the next challenge, which is a game at home to Leganés on Sunday.