Crisis

Synopsis

The Doctor and his friends face a race against time to expose Forrester's plans and return to normal size before Barbara succumbs to the effects of DN6.

Guest stars

Carole Ann Ford

Susan Foreman

William Russell

Ian Chesterton

Jacqueline Hill

Barbara Wright

Alan Tilvern

Forester

RB

Reginald Barratt

Smithers

RJ

Rosemary Johnson

Hilda Rowse