Doctor Who: The Seeds of Death

In the near future, the Earth relies on T-MAT for transporting supplies across the globe. It's run from the Moon, and the Doctor, Jamie, and Zoe head there to see what's wrong when it stops working. Ice Warriors have taken over the base!

the Doctor with Ice Warriors

The Ice Warriors start using the TMAT to send seed pods to Earth to change the atmosphere before the Ice Warrior fleet arrives for part two of the invasion plan. In the end, the Ice Warriors' plan is not very well thought out and they're easily defeated. I expect better from them.

Ice Lord and Ice Warrior

There are only two serials left in the 2nd Doctor era. I feel like Grover, reluctant to turn the pages to get to the end of the book.

THE RUNDOWN

Doctor: Second
Companions: Jamie, Zoe
Episode: #48, "The Seeds of Death," six parts
Adversary: the Ice Warriors

Classic Lines: the Doctor, to some Ice Warriors: "Your leader will be angry if you kill me. I'm a genius!"

Tuck This Away to Impress Your Friends: This serial marks the first appearance of an Ice Lord (Slaar). Ice Lords command a group of Ice Warriors and look a little different. 
Next Up: "The Space Pirates"