The Secret of the Flame Tree - S6-E2
Character mistake: Florence says that the verses Esther was researching were 'halfway through' the book, but Humphrey opens a page in the last 1/4 of the book. (00:29:40)
Character mistake: The web listing for the Brompton cigarettes says that they went through a "rerevival." It's a typo, not a colourful way to say for instance "second revival". (00:24:10)
Character mistake: Florence says that Commissioner Selwyn Patterson and Martha are halfway through the bottle, but the bottle is practically empty. (00:29:55)
Character mistake: In the first scene in the office of the dead banker, Jack is not wearing any gloves and touches the cufflink box freely without any precaution. (00:04:40)
Character mistake: The first term served by Dwayne's father is typo'd as 4 RS instead of YRS. (00:15:25)
In the Footsteps of a Killer - S6-E7
Character mistake: Jack asks which one of the two saints is the Saint Ursula venerated in Saint Marie, and mentions the Ursula martyred by the Huns, and Ursula Micaela Morata, with the gift of bilocation. Being this thoroughly informed, he should know that the second is not a Saint, but a Venerable. (00:17:20)
Answer: Most likely they had only tropical exotic drinks, he wanted an old fashioned English beer.