The Chase star Shaun Wallace could be seen looking embarrassed as he fumbled over his words while filming an episode of the hit ITV game show.The blooper appeared on the latest instalment of It'll Be Alright On The Night, narrated by David Walliams, as he guided viewers through TV's funniest blunders.While the edited episode of The Chase is a well-oiled machine, fans got a glimpse at the antics behind the scenes - with Shaun rehearsing his lines.The champion quizzer struggled to remember the name of the three contestants who remained in the competition and was forced to repeat their names three different times.Shaun continually got the names Lisa and Penny muddled up, meaning the editors were forced to cut the scene again and again."When.
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