Bob Johnson answers "turkey" to three different questions.
Full HQ Episode:    • Family Fortunes Full TURKEY Episode H...  
Excerpt from Bradley Walsh docu where he visits the family in 2014:    • Bradley Walsh visits the Johnson fami...  

The story - as given by his family in the documentary Our Survey Said - goes that he overheard 'chicken' as the answer to the third question, and he got it into his head that if 'chicken' had worked, then surely 'turkey' must be one of the answers as well! Give him his due, though: "turkey" and "chicken" actually were two good answers to the same question - the only problem was that he failed to spot which question it was, or more to the point, wasn't. (blurb © http://www.ukgameshows.com)