This time, Jack examines how class is woven into the DNA of British sport and how breaking social boundaries can lead to moments of incredible drama, including the fierce athletic rivalry of Seb Coe and Steve Ovett, Fred Perry taking on the Wimbledon establishment and Andrew Flintoff destroying the Australians at the 2005 Ashes. Our sport may have started divided, but it is one of the few things that bring us all together.