Episode #2.15
- Episode aired Dec 13, 1973
![Mastermind (1972)](https://m.media-amazon.com/images/M/MV5BMzhkYWVjMTctYTU4Zi00MTg4LTk5MzItODc2Mzk3ODFiNzFlXkEyXkFqcGdeQXVyMTUyNjc3NDQ4._V1_QL75_UX190_CR0,2,190,281_.jpg)
The two regional winners from London join the winners from the South West, and West Midlands to compete for a place in the final.The two regional winners from London join the winners from the South West, and West Midlands to compete for a place in the final.The two regional winners from London join the winners from the South West, and West Midlands to compete for a place in the final.