Yamaguchi Kappei DVDs/Blurays/videos
Some of the video media (Bluray, DVD, laser disc, VHS tape) that Kappei has appeared in are as follows.
| 1990.08.25 | Yappunchai (VAC-1043) | Talk |
| 1990.09.25 | Tokyo City Melhen 2 (VVT-520) | Act |
| 1990.??.?? | Ryokunohara Labyrinth | Skit |
| 1990.??.?? | Yappunchai 2 (VAC-1045) | Talk |
| 1991.03.14 | Yappunchai 3 (VAC-1047) | Talk |
| 1992.03.25 | Konya ha Zettai Carnival Ashita ha Free Kick (TYVY-3004 TYLY-3004) | Song |
| 1994.??.?? | BUTAI () | Song |
| 1994.??.?? | Voice Actor 30 III (KMPL-103) | Talk |
| 1995.08.19 | It's Say You! vol 1 VHS (COVC-4576) | Talk |
| 1995.08.19 | Ranma 1/2 DoCo music video (PCLE-00020) | Talk |
| 1995.10.21 | It's Say You! vol 2 VHS (COVC-4614) | Talk |
| 1995.12.21 | It's Say You! vol 3 VHS (COVC-4643) | Skit, Talk |
| 1995.??.?? | Silent Mobius Gaiden Bakumatsu Yamifu Shimatsuki (BELL-556 BES-812) | Movie |
| 1996.02.21 | It's Say You! vol 1 LD (COLC-3189) | Talk |
| 1996.04.19 | Seiyuu Daisuki Video Special (MRVA-10004) | Talk |
| 1996.04.21 | It's Say You! vol 2 LD (COLC-3190) | Talk |
| 1996.05.22 | Say You Club TV vol 5 (BVAA-15 BVLA-15) | Talk |
| 1996.06.21 | It's Say You! vol 3 LD (COLC-3191) | Skit, Talk |
| 2001.06.10 | AX July 2001 [DVD] | talk |
| 2001.08.10 | AX September 2001 [DVD] | talk |