Returning to Earth, the crew find themselves trapped in a jungle with monstrous creatures pursuing them. Soon they realize that they have become miniaturized and are indeed on Earth.
The crew arrive in a place where everything is on a giant scale, the result of the TARDIS doors malfunctioning. They are soon made acutely aware of the nefarious plans of a ruthless businessman and his misguided scientist.
S1E1 23 min