The original pilot of Star Trek ("The Cage", later reworked into the two-part episode "The Menagerie") included plot points similar to that touched upon in this episode, particularly the aspect of humans being put on display for study.
Jackson-Stops developed a unique home in The Menagerie, a Grade II listed building at Horton, Northamptonshire, part of the estate buildings for the now demolished Horton House and seat of the Earl of Halifax.
Under the charge of Jamrach's seasoned field agent, Dan Rymer, they have been sent to capture a "dragon" for the menagerie.
Whereas artists had contented themselves before with making static studies from stuffed animals, Boel drew and painted his animals from life in the menagerie at Versailles.