The content typically found under the "1077.5" label covers the start of a massive confrontation between Conan, the FBI, and the Black Organization.
Conan rushes to the Kudo residence, which has become a temporary hideout for several FBI agents. They realize the Black Organization has cracked their code and is systematically hunting down agents. Where to Watch Official Episodes Detective Conan Episode 1077.5
For fans following the official Japanese or international numbering (which may vary), these episodes are part of a three-part special: The Black Organization's Scheme (Hunt) Episode 1078: The Black Organization's Scheme (Landing) Episode 1079: The Black Organization's Scheme (Identity) The content typically found under the "1077