Case Closed: Episode One - The Great Detective Turned Small
名探偵コナン エピソード"ONE" 小さくなった名探偵 (original)
Two-hour remake of the original 1st episode, in celebration of the anime celebrating 20 years in broadcast. The special retells what happened on the day Shinichi was transformed into the body of a child. The special includes new scenes that weren't in the original manga or the first anime episode.
Starring Kappei Yamaguchi, Minami Takayama, Wakana Yamazaki, Kenichi Ogata, Hideyuki Tanaka, Sumi Shimamoto, Ryou Horikawa, Shuuichi Ikeda, Rikiya Koyama, Sakiko Tamagawa
It's a action & adventure and animation movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.