Meitantei Conan OVA 08: Joshikousei Tantei Suzuki Sonoko no Jikenbo
English title: Detective Conan OVA 08: High School Girl Detective Sonoko Suzuki's Case Files
Japanese title: 名探偵コナン 女子高生探偵　鈴木園子の事件簿
Type: OVA
Episodes: 1
Source: Manga
Genres: Comedy, Mystery
Studios: TMS Entertainment
Producers: Tokyo Movie Shinsha
Duration: 25 min
Rating: PG-13 - Teens 13 or older

Sonoko is writing a script for a play. In her script, there's a murder case, and high-school detective Suzuki Sonoko is there to help solve it. Haibara finds flaws in the deduction section of the plot, and Ran decides to call Shinichi for help with the script.

(Source: Wikipedia, edited)