Some of the video media (Bluray, DVD, laser disc, VHS tape) that Mariko has appeared in are as follows.

1995.07.21	Voice Actor 30 Series Super 1 (TKPV-201 TKPL-201)	Talk
1995.08.21	Voice Actor 30 Series Super 2 (TKPV-202 TKPL-202)	Talk
1996.03.23	"Voice Actor Power Special" Studio Lips vol 3 (BVLA-10 BVVA-10)	Song, Talk