The scenes from The Pride Festival were actually filmed at the São Paulo Pride Parade, which is considered the biggest Pride Festival in South America.
The drink 'The Old Man of Hoy' (Sylvester McCoy) drinks on the train when talking to Riley is a soft drink/soda called 'Irn Bru' (orange can) which would have been imported from Scotland. Irn Bru is also widely believed to be a hangover cure in Scotland.
During the filming at the LGBT Parade in São Paulo, in May 2016, Brazil was governed by former President Dilma Rousseff, who was undergoing an impeachment process. In the scene, that aired in May 2017, it is possible to see posters that read "Golpe nunca mais" (coup never again!) and "Fora Temer!" (get out, Temer!). However, by the time the episodes went on air, Rousseff had already been deposed and Michel Temer had already taken the presidency of the country. In the first poster it can also be seen the mark of Rede Globo, the biggest television network in Brazil.
Once again (Timecode 29:33), during a soccer/football game in the park with Wolfgang, there is a mural seen on the side of a building of an elephant stylistically similar of Ganesha, the Indian god Kala worships throughout the show. Ganesha is widely revered as the remover of obstacles, the patron of arts and sciences, and the "deva" of intellect and wisdom.