From the Radio Times:

7.35 Doctor Who
starring
Sylvester McCoy
with
Bonnie Langford
in
Time and the Rani
The third of a four-part
adventure by
PIP AND JANE BAKER
Excerpt from the TARDIS dictionary disc.
Plasma (noun): substance found in human blood
Tetrap (noun): savage extraterrestrial with strange dietary habits
Eyrie (noun): dwelling place for large winged creatures, with one entrance and no exit.
Special voices
PETER TUDDENHAM, JACKI WEBB
Incidental music KEFF MCCULLOCH
Visual effects designer
COLIN MAPSON
Script editor ANDREW CARTMEL
Designer GEOFF POWELL
Producer JOHN NATHAN-TURNER
Director ANDREW MORGAN
★ CEEFAX SUBTITLES