The TARDIS lands on Earth six years out of date, stranding the Doctor in 1983 while leaving Tegan and Nyssa to look for him in 1977, eventually to discover a badly injured man that may very well be the Doctor. Both parties also encounter former Doctor-companion Brigadier Lethbridge-Stewart, though in 1983 he curiously has no memory of the Doctor at all. Written by
Did You Know?
This episode was watched by 7.5 million viewers on its original transmission. See more
What's happened? Could it have been affected by tangential deviation coming out of the warp ellipse?
Not with a dead reckoning alignment in the coordinates.