Karl Beattie’s documented life has references to him teaching martial arts within the US. In 2002, Karl Beattie and Yvette Fielding, established their own television production company, Antix Productions. Their first production was Most Haunted for the British TV channel Sky Living, along with a number of spin offs including Most Haunted Live!. In 2006 he created, produced and directed Ghosthunting With…, a paranormal show for ITV2 which features Yvette Fielding leading various celebrities around haunted locations. In 2008 Karl and Yvette Launched The Paranormal Channel later known as The Unexplained Channel which ran for 2 years.

In 2004, Beattie was the subject of media attention when it was claimed he was the only living samurai outside Japan, something he denies, as one of only eight foreigners to have ever been awarded the title. The samurai class was officially abolished in 1868, though Beattie claims that the title lives on in him via his Japanese instructor, Otsu Maeda.

In 2005 the regulator, OFCOM, said a high degree of showmanship that puts it beyond what we believe to be a generally accepted understanding of what comprises a legitimate investigation”.