Two ships have collided above Azure but that may be the least of the Doctor's problems. Monsters and drug smugglers are loose on the ship. And it all seems to tie in with Tryst's electronic zoo…
Elenco:
William Hartnell
,
Patrick Troughton
,
Jon Pertwee
,
Tom Baker
,
Peter Davison
,
Colin Baker
,
Sylvester McCoy
.