The Gregory Gallery Tour Special
Japanese title: グレゴリーホラーショー
Type: Special
Episodes: 3
Source: Original
Genres: Comedy, Horror, Mystery, Supernatural
Studios: Milky Cartoon
Duration: 10 min per ep
Rating: PG-13 - Teens 13 or older

Three unbroadcasted exclusive Special shorts of Gregory Horror Show (presented as bonus videos on the first series DVDs volumes 1-3 in Japan only), containing stories featuring Gregory himself as a guide, giving his commentary and thoughts on each of the guests in the hotel, also displaying paintings based around the said guests.

(Source: Wikipedia)