On 28 July 2015, Vidal returned to the Bundesliga, joining Bayern Munich on a four-year deal for a fee of €37 million plus up to €3 million in bonuses. Vidal made his debut for Bayern four days later in the 2015 DFL-Supercup against VfL Wolfsburg, as a 74th-minute substitute for Thiago. The match finished in a 1–1 draw; Bayern lost in a shootout where Vidal scored. Vidal scored his first goal from the penalty spot against FC Nöttingen in the fifth minute of Bayern's first round DFB-Pokal match. On 19 September, he scored his first league goal for Bayern in a 3–0 away victory over SV Darmstadt 98. On 26 November, Vidal was nominated for the 2015 UEFA Team of the Year. He scored two goals in both first leg and second leg of the Champions League quarter-final tie against S.L. Benfica which helped his side to go through to the semi-final.