"It's really hard, and the only break you get from one another is when you go to the bathroom.
For us, we kept saying, 'this is harder than Strictly,' it's so intense!" said Dowden.
Gu supported her statement, adding that the experience tested their endurance beyond their regular dance routines.
Dowden added that their planned gameplan failed because Gu accidentally left details on his phone, allowing the show's hunters to trace them.
"100 percent harder than dancing," said Gu.
The live blunder comes shortly after another incident on the ITV breakfast program.
On Friday, July 24, Garraway apologized to City of Edinburgh Council leader Jane Meagher after a passerby made an offensive gesture in the background during a live remote interview.
"Just to say, Jane, you won't be aware because you were talking so elegantly to us with the gorgeous vision of Edinburgh behind.
But somebody came past doing a rather rude gesture.
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So, if you're watching at home and you saw, that is no reflection on Jane or indeed Edinburgh," said Garraway.
