Detective Conan (1996)

Season 1: Episode 1099

While pursuing the culprits who mistakenly kidnapped the professor, Conan is rescued by Kanagawa police officer Hagiwara Chihaya. They pursue the yellow getaway vehicle on Chihaya's motorbike, but the detective badge they had been relying on is disposed of. The professor still has in his possession a listening device, and they use the sound heard through it alone to continue their pursuit...