The NWA/WCW House Show is a House show produced by the National Wrestling Alliance and World Championship Wrestling on June 25, 1989 at the Pittsburgh Civic Arena in Pittsburgh, Pennsylvania. It also served as the 4th night of the 1989 Great American Bash tour.
- (c) refers to the champion(s) heading into the match.
- Bill Irwin defeated Kurt Kaufman
- The Varsity Club (Mike Rotunda and Dan Spivey) defeated Scott Hall & Brian Pillman
- Norman the Lunatic defeated Steve Casey
- The Dynamic Dudes (Shane Douglas and Johnny Ace) defeated The New Zealand Militia (Jack Victory and Rip Morgan)
- The Midnight Express (Bobby Eaton and Stan Lane) defeated Ron Simmons & Al Green
- Sting won a Two Ring Battle Royal
- The Great Muta defeated Eddie Gilbert in a Dragon Shi Match
- The Steiner Brothers (Rick Steiner and Scott Steiner) & Steve Williams defeated The Fabulous Freebirds (Terry Gordy, Michael P.S. Hayes and Jimmy Garvin
- The Samoan Swat Team (Samu and Fatu) fought The Road Warriors (Road Warrior Animal and Road Warrior Hawk) to a Double Count-Out
- Lex Luger (c) defeated Ricky Steamboat to retain the NWA United States Heavyweight Championship
|WCW House Shows 1989|
GAB Night 10 • GAB Night 11 • GAB Night 12 • GAB Night 14 • GAB Night 15 • GAB Night 16 • GAB Night 17 • GAB Night 18 • GAB Night 19 • GAB Night 20 • GAB Night 21 • GAB Night 22 • GAB Night 23 • GAB Night 24 • GAB Night 25 • GAB Night 26 • GAB Night 28 • GAB Night 29 • GAB Night 31 • GAB Night 32 • GAB Night 33 • GAB Night 34 • GAB Night 35