Constable Crabtree nearly invents frisbee by tossing the brim of a broken hat at the beach.
Katie Strain, who plays Marie, had previously appeared on the series in the episode "Blood and Circuses (2010)"; as "Daisy". Her twin sister, Karissa Strain, portrayed the role of Daisy's twin sister, Maisy.
The Loch Ness Monster, sometimes called Nessie, is a large creature resembling a marine dinosaur purported to inhabit the waters of Loch Ness, a lake in Scotland. A famous photograph from 1934 which went viral and stimulated worldwide interest in Nessie and other such creatures is now known to be a hoax.
This episode takes place in 1901.
Anachronism:
There is an oscillating fan in the police station. Oscillating fans were first invented in 1904, three years after this episode takes place.