English Teacher vs. Great Western Detective ~ Part 1

English Teacher vs. Great Western Detective ~ Part 1 (英語教師VS西の名探偵(前編), Eigo-kyoushi tai Nishi no Meitantei (Zenpen)) is the 277th overall episode of the Detective Conan animated series based from the manga of Gosho Aoyama. The episode aired in Japan on May 13, 2002.