Biggest HR's in Reds history
Below are the home runs that I could find video of.
Got another HR for the list? Email me the video.
I'm looking for Adam Dunn's walk-off grand slam vs Cleveland and Hal King's 1973 pinch-hit HR vs Dodgers.

Tony Perez hits game-winning HR in 15th inning of 1967 All-Star game

Johnny Bench bottom 9th HR to tie Game 5 NLCS vs Pirates, 1972

Pete Rose 12th inning HR wins Game 4, 1973 NLCS vs Mets (3-minute mark)

Down 3-0 in the 6th inning, Tony Perez 2-run HR Game 7 1975 World Series 

George Foster and Johnny Bench hit back-to-back HR's in bottom of the 9th to tie Game 3 1976 playoffs vs Phillies. (1:55 mark)

 Johnny Bench 2 HR's in Game 4 1976 World Series

Dave Concepcion HR in 1982 All-Star game

Johnny Bench HR on Johnny Bench Night 1983

Eric Davis, Game 1 1990 World Series

Mark Lewis pinch-hit grand slam in Game 3 NLDS vs Dodgers, 1995

Barry Larkin becomes first SS in ML history with 30 HR's and 30 SB's, 1996

Reds hit nine home runs vs Phillies at Veterans Stadium, 1999

Ken Griffey Jr bottom 11th inside-the-park winner vs Cardinals, 2001

Ken Griffey Jr hits career HR 500 vs Cardinals, 2004

Adam Dunn hits 533-foot homer, longest in GABP history, 2004

Jay Bruce HR to clinch NL Central, 2010

Ramon Hernandez walk-off Grand Slam to beat Milwaukee Opening Day 2011

Joey Votto walk-off Grand Slam, his 3rd HR of the game on Mother's Day 2013

Todd Frazier homers for Teddy Kremer, 2012

Devin Mesoraco and Shin-Soo Choo hit back-to-back HR's off Braves closer Craig Kimbrel, 2013.