Footage from a new docuseries that seeks to prove the existence of aliens appears to show an unidentified aircraft descending into the English Channel.

Netflix's Investigation Alien follows journalist and ufologist George Knapp as he assembles a crack-team to prove their existence - and it has yielded evidence such as this. Footage from a new docuseries that seeks to prove the existence of aliens appears to show an unidentified aircraft descending into the English Channel.

Netflix's Investigation Alien follows journalist and ufologist George Knapp as he assembles a crack-team to prove their existence - and it has yielded evidence such as this. Footage from a new docuseries that seeks to prove the existence of aliens appears to show an unidentified aircraft descending into the English Channel.

Netflix's Investigation Alien follows journalist and ufologist George Knapp as he assembles a crack-team to prove their existence - and it has yielded evidence such as this.