Plague of the Black Scorpi (comic story)

Summary
Landing on an arid planet, the Doctor, John and Gillian meet a man who shows the travellers their water production machine which suddenly explodes. At this point a swarm of scorpi arrives and devour all of the planet's crops. It is up to the Doctor to save the population from the ravaging insects and to revive the planet's plant life.

Characters
to be added

Continuity
to be added