Case Closed: Season 1, Episode 247
1 - 247: The Mystery in the Net (2)
Conan figures out the culprit and decides to use Professor Agasa's voice to reveal the trick but remembers he forgot his voice changing bow tie at the hotel.
Conan figures out the culprit and decides to use Professor Agasa's voice to reveal the trick but remembers he forgot his voice changing bow tie at the hotel.