Some of the tv that Kouichi has appeared in are as follows.

1995 10.05-1996.03.28	Say You Club [regular]	host
1997 10.01-now	Oha Sta	personality
2000 12.30	Oha Special	personality
2000 12.30	Pocket Monsters Mew Two Lives	interview
2002 12.29	M-1 Grand Prix 2002	host
2011 08.27	Onegai! Ranking Gold	guest
2016 07.27	Nakai no Mado	guest
2021 07.13	Natsu no Choutokudai Sanma Goten	guest