"The real Marge would never show her knickers like that #Strictly," penned one viewer.
"Bold of the BBC to think Marge Simpson would wear granny pants #strictly," joked another.
"I'm not OK with seeing Marge Simpson's pants!" penned a third.
The duo managed to receive 24 points for their performance, but some viewers weren't convinced, hilariously savaging the choice of routine on Twitter.
"I honestly feel sick to my stomach, this has to be the most cursed video on the internet," one particularly dramatic viewer wrote.
The themed dance was part of the show's "Movie Week", with singer Max George joking that he had been excited about the week because he wanted to dress up like James Bond — but was instead given a Homer Simpson costume.