The GMB host spent almost the entire show fuming over new proposals that prisons must now recognise gender-neutral prisoners.
After a blazing a row with both Susanna Reid and Charlotte Hawkins over the report, Piers Morgan continued to rant and rave during a spat with two more guests, who joined the show to discuss monogamy.
Bizarrely, the 52-year-old seized the opportunity to revive his previous tirade, claiming that, like monogamy, you don’t need to confine to the conventions of society and asked: “Harriet, should a white man be able to identify as a black man?”
The pair were also joined by Professor Eric Anderson, who chipped in: “If a white man wants to identify as a black man on a form, it shouldn’t be a crime.”
“Are you serious?” Piers snapped. “It should just be wrong. Obviously a white man is not a black man.”
He added: “In the mean time, I am non-binary and apparently that’s fine. Where does it end? How can you not know if somebody’s who’s white says they’re black that that is not a lie?”
Eric snapped: “Because you hold Harriet to account on national television without letting her think about it, that’s why.”
“I’m giving you the option to decide for yourself,” explained Harriet, which was met with a humungous rant from Piers.
“You do not have the option to be black or white. You are black or you are white,” he fumed.
As the row continued to escalate, Eric barked; “Whoa, whoa, whoa. My children are neither black or white.”