Avsnitt 11

The teams travel from their Pit Stop in Istanbul, Turkey to London, England, where they pay a visit to Abbey Road, made famous by The Beatles. Two teams explore flight options and successfully risk an earlier flight, while two others choose to play it safe with a flight that ends up coming in later . In England, the teams ride a ferris wheel called the London Eye and then participate in a Detour that requires them to make a classic choice --- Brains or Brawn. Uchenna and Joyce and Meredith and Gretchen both opt for Brawn, which requires them to stack boats, while the other two teams go for Brains and solve a series of clues leading them to the home of the legendary Sherlock Holmes . Seeing Meredith and Gretchen struggle, Uchenna attempts to help out before realizing that he's not allowed. Later, the teams do a Roadblock at the Millennium Dome in which they must drive a double-decker bus through a marked obstacle course. One team surges ahead, while a Yield puts the remaining three teams