The Doctor; Gus Goodman; Autek (an Ice Warrior); The Time-Meddler
Synopsis
The Doctor realizes that the parallel earths have been created by a time field around an arctic installation. Just as the Doctor and Gus materialize, Autek (an Ice Warrior) and the Time-Meddler (also known as the Meddling Monk) fire a powerful cannon at the TARDIS.
The Doctor; Gus Goodman; Autek; The Time-Meddler; Ice Warriors; SAG-3
Synopsis
After a narrow escape, Gus and the Doctor return to the installation in time to see the Ice Warriors lowering a crucible of molten silica into a thirty-mile deep mine shaft. Gus's panic when the TARDIS appears nearby attracts the attention of the Ice Warriors.
The Doctor; Gus Goodman; Ice Warriors; Autek; The Time-Meddler; SAG-3
Synopsis
The Doctor is injured, taken prisoner, and confronted by Autek and the Time-Meddler. Gus manages to escape and is found by a group of military men who proceed to attack the Ice-Warriors' base, made visible thanks to the Doctor.