Perseus and Andromeda (Leighton) daughters of Poseidon, the god of the sea. When the nymphs became aware of her claims, they protested to their father, who retaliated by calling up a sea monster called Cetus to patrol and wreak havoc along the coastline of Ethiopia placing Cassiope's kingdom at risk. In response the Queen, together with her husband Cepheus, decided to sacrifice her daughter, Princess Andromeda, to the monster. Andromeda was chained to a rock at the edge of the sea as an offering to the monster. Perseus was travelling back home on his winged horse, Pegasus, after battling with Medusa. He rescued Andromeda
The Andromeda Breakthrough to bring the machine under human control. Things take a deadly turn when Fleming discovers the politically unstable leader's hope to make use of his and Dawnay's skills and Andromeda's otherworldly abilities... The title star of the previous serial, Julie Christie, was unavailable due to other projects. As a result, the role was recast with Susan Hampshire succeeding Christie as Andromeda, who survived her fall into the cavern pool. The complete TV serial survives in the BBC archives and was released, alongside the surviving episode plus material from "A for Andromeda" and various extra features, as part of "The Andromeda