These are the cup games that went to extra time.

Date Cup Round Opponent H/A After
Ground Notes
Sat Feb 23, 1889FA Cup2ChathamH2-12-2Gregory Ground
Wed Jan 09, 1946FA Cup3WatfordA1-11-1Vicarage RoadAbandoned after more extra time due to weather
Wed Jan 16, 1946FA Cup3WatfordN0-00-1White Hart Lane
Mon Sep 28, 1970Anglo-Scottish Cup1AirdrieoniansA1-12-2Broomfield ParkLost 2-5 on Penalties
Mon Feb 03, 1975FA Cup4FulhamH0-01-1City Ground
Wed Feb 05, 1975FA Cup4FulhamA1-11-1Craven Cottage
Tue Sep 28, 1976Anglo-Scottish CupQuarterKilmarnockA1-22-2Rugby ParkWon 4-3 on aggregate
Tue Jan 11, 1977FA Cup3Bristol RoversA1-11-1Eastville Stadium
Sat Mar 18, 1978League CupFinalLiverpoolN0-00-0WembleyPlayed at Wembley
Wed Dec 12, 1979League CupQuarterWest Ham UnitedH0-03-0City Ground
Tue Jan 06, 1981FA Cup3Bolton WanderersA0-01-0Burnden Park
Wed Mar 21, 1984UEFA CupQuarterSturm GrazA0-11-1The GruabnAfter extra time, Forest won 2-1 on aggregate
Wed Oct 10, 1984League Cup2PortsmouthH1-03-0City GroundWon 3-1 on aggregate
Tue Nov 06, 1984League Cup3SunderlandA0-00-1Roker Park
Wed Jan 09, 1985FA Cup3Newcastle UnitedA1-13-1St. James Park (Newcastle)
Wed Feb 03, 1988Full Members Cup3ReadingA1-11-2Elm Park
Tue Jan 10, 1989Full Members Cup3ChelseaA1-14-1Stamford Bridge
Sun Feb 26, 1989League CupSemiBristol CityA0-01-0Ashton GateWon 2-1 on aggregate
Sun Apr 30, 1989Full Members CupFinalEvertonN2-24-3WembleyWon the Full Members Cup at Wembley
Tue Oct 03, 1989League Cup2Huddersfield TownA3-33-3Leeds RoadWon on away goals
Mon Jan 21, 1991FA Cup3Crystal PalaceH1-12-2City Ground
Sat May 18, 1991FA CupFinalTottenham HotspurN1-11-2WembleyPlayed at Wembley
Sun Mar 01, 1992League CupSemiTottenham HotspurA1-12-1White Hart LaneWon 3-2 on aggregate
Sun Mar 29, 1992Full Members CupFinalSouthamptonN2-23-2WembleyWon the Full Members Cup at Wembley
Sat Mar 09, 1996FA Cup5Tottenham HotspurA1-11-1White Hart LaneWon 3-1 on penalties
Tue Sep 24, 1996League Cup2Wycombe WanderersA0-11-1Adams ParkWon 2-1 on aggregate
Wed Sep 24, 1997League Cup2WalsallA1-02-2Bescot StadiumLost 3-2 on aggregate
Tue Oct 27, 1998League Cup3Cambridge UnitedH3-33-3City GroundWon 4-3 on penalties
Wed Sep 12, 2001League Cup2Stockport CountyH1-11-1City GroundWon 8-7 on penalties
Thu May 15, 2003PlayoffsSemiSheffield UnitedA2-23-4Bramall LaneLost 5-4 on aggregate
Tue Aug 12, 2003League Cup1Port ValeA0-00-0Vale ParkWon 3-2 on penalties
Tue Sep 23, 2003League Cup2Tranmere RoversA0-00-0Prenton ParkWon 4-1 on penalties
Wed Oct 29, 2003League Cup3PortsmouthH2-22-4City Ground
Wed Sep 22, 2004League Cup2Rotherham UnitedH1-12-1City Ground
Wed Nov 10, 2004League Cup4FulhamH1-12-4City Ground
Wed Nov 29, 2006EFL Trophy3Bristol CityH2-22-2City GroundLost 2-4 on penalties
Fri May 18, 2007PlayoffsSemiYeovil TownH1-32-5City GroundLost 5-4 on aggregate
Tue Aug 14, 2007League Cup1Chester CityA0-00-0Deva StadiumWon 4-2 on penalties
Wed Aug 27, 2008League Cup2SunderlandH1-11-2City Ground
Tue Aug 25, 2009League Cup2MiddlesbroughH1-12-1City Ground
Tue Aug 10, 2010League Cup1Bradford CityA1-11-2Valley Parade
Tue Aug 09, 2011League Cup1Notts CountyH2-23-3City GroundWon 4-3 on penalties
Tue Sep 20, 2011League Cup3Newcastle UnitedH2-23-4City Ground
Wed Aug 23, 2017League Cup2Newcastle UnitedA2-23-2St. James Park (Newcastle)
Tue May 17, 2022PlayoffsSemiSheffield UnitedH1-21-2City GroundWon 3-2 on penalties
Wed Jan 17, 2024FA Cup3BlackpoolA2-23-2Bloomfield Road
Wed Feb 07, 2024FA Cup4Bristol CityH1-11-1City GroundWon 5-3 on penalties