B'z LIVE-GYM Hidden Pleasure ~Typhoon No.20~ is a home video by B'z, released on DVD on December 10, 2008. The three-disc, three hour set serves as a compilation of previously unreleased and uncollected footage from past LIVE-GYM concerts along with special footage not included elsewhere in the band's catalogue.
| Production | Takahiro Matsumoto | Producer |