Chelsea were the defending champions, having beaten Tottenham Hotspur 2–0 in the previous season's final.
Manchester City won the final on 28 February, defeating Liverpool 3–1 in a penalty shoot-out after the match had finished 1–1 after extra time.
If the tie was not decided during extra time, it was determined by a penalty shoot-out.
[1][7] Note: Matches were played the week commencing on dates above except for the final, which was fixed for 28 February 2016.
The lowest ranked team in this round was Carlisle United, who played in League Two, the fourth division of English football.
The draw for the fourth round was held on 23 September 2015 after the North London derby.
The lowest ranked teams in this round were Hull City, Middlesbrough, and Sheffield Wednesday who all played in the Championship, the second division of English football.
[18] The lowest ranked teams in this round were Hull City, Middlesbrough and Sheffield Wednesday, who all played in the Championship, the second division of English football.
The draw for the semi-finals was held on 2 December 2015 and all of the remaining teams were from the Premier League (top tier).
[1][7] The League Cup Final was held on 28 February 2016 at Wembley Stadium.
[1][7] [21] The live television rights for the competition were held by the subscription channel Sky Sports, who have held rights to the competition since 1996–97 apart from 2001-02 when the short-lived ITV Digital had exclusive coverage of that season's League Cup competition as part of the original three year TV deal with The Football League.