Louis Theroux destroys Piers Morgan with legendary comeback as he finally responds to fight offer

Louis Theroux has hit back at Piers Morgan after he branded him a 'puny wastrel'.

The much-loved interviewer recently sat down with Anthony Joshua for his new series, probing the former champ on his personal struggles and career.

Check it out one very awkward moment from the chat here:

As well as getting into the Olympic gold medallist's life, talk also turned to Theroux and his own athletic prowess.

During the interview, the former Weird Weekends presenter claimed that he was confident of taking on Morgan.

Joshua suggested to Theroux that he could arrange a boxing match for him, telling him: "I could actually get you a fight, it will do well. You'd bring viewers to my broadcasting channel."

Discussing who he could take on Theroux replied: "Piers Morgan? That's a better match up.

BBC

"Number one, he's very famous and I could actually take him."

Understandably, the comments didn't go down well with the Talk TV presenter, whose pride was definitely dented.

Taking to Twitter, the 58-year-old told Theroux exactly what he thought of his remarks, and didn't hold back.

"Have you lost your marbles, @louistheroux?" he asked. "I’d destroy you in 30 seconds, you puny wastrel."

Now, most thought that would be the end of it; both lads had had their say, but it was all fun and games. Right?

Well, the documentarian has returned serve with a virtual upper cut that could see Morgan regret his comments.

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Replying to the host on Twitter, Theroux said he just had too much for him.

"I don't think you've got the cardio fitness, Piers, TBF," he wrote.

"You'd gas out and after that I'd just be playing music on your chin like a boxing Beethoven."

Ouch. How will the old fella recover from that? I guess we'll find out in due course whether or not he's willing to put his money where his mouth is, won't we?

Out of the hypothetical ring, though, Theroux recently revealed the names of the five people he would like to interview.

Sadly, however, he'll never get the chance.

“The names on the list that we’ve approached but hasn’t quite happened yet,” Theroux said. “Tom Cruise – the door’s always open.”

He also added ‘John Travolta’ and said: “If Lisa Marie Presley was still alive, she’d be ideal.”

Theroux also named other dream interviewees: “Dave Chapelle would be a big get, bit controversial.”

And his final addition to the dream list? Erykah Badu.

“She’s a big fan,” he said. “Not.”