The Mysterons threaten to destroy the Triumvirate of Europe, whose three members are the most powerful politicians on Earth after the World President.
UEFA Europa League | Europa | 2012–13 UEFA Europa League | Europa (mythology) | 2013–14 UEFA Europa League group stage | Europa (moon) | 2013–14 UEFA Europa League | 2010–11 UEFA Europa League qualifying phase and play-off round | 2009–10 UEFA Europa League | Torres Europa | Europa Point | Europa Nostra | codename | Europa Universalis | Europa (ship) | Europa Plus | Europa Hotel, Belfast | Europa Hotel | CE Europa | SS Europa (1928) | SS ''Europa'' | SS Europa | Secret Service codename | Prix Europa | Preis von Europa | Plaça d'Europa, Lleida | Plaça d'Europa | Picos de Europa | Madama Europa | Lotus Europa |
The Captain Brown puppet was later re-used for supporting roles in a number of episodes, re-appearing as Charlie Hansen in "Fire at Rig 15", Neilson in "Noose of Ice", a bartender in "Special Assignment", Dr Conrad in "Flight 104", Professor Carney in "Codename Europa" and Major Reeves in "Renegade Rocket".