Watch it trade-free here: https://www.videoneat.com/documentaries/26245/secrets-of-the-spy-whale/

In April 2019, a seemingly tame beluga whale approaches a Norwegian fishing boat seeking help. It is wearing a harness fitted with a camera mount. When the words 'Equipment St Petersburg' are discovered printed on the buckle, speculation breaks out that he has been engaged in some kind of sinister undercover activity.