Sanrio Video (Warning Screens)
From the Audiovisual Identity Database, the motion graphics museum
1st Warning (Early-Late 1990s)
Warning: On a blue-purple background, we see the following text:
FX/SFX: None.
Music/Sounds: None.
Availability: Rare. This was spotted on the VHS release of 八口ーキティと学ぼう はじめてのかんじ (Let's Learn with Hachiguchi Kitty for the first time). It might have appeared on other releases from them from the era.
Editor's Note: None.
2nd Warning (2000s)
Warning: On a blue background, we see the following text:
FX/SFX: The screen fading in.
Music/Sounds: None.
Availability: Rare. Seen on Sanrio VHS tapes and DVDs in Japan, mostly of Hello Kitty.
Editor's Note: None.