Doctor Who Series 5, Cold Blood The Other Silurians

The Doctor has encountered the Silurians and their relatives a number of times before.

2/5

From Doctor Who and the Silurians

This creature was partially controlled by the Silurians encountered by the Third Doctor.

Doctor Who—Series 5, Cold Blood

9/13 Mankind and the Silurians teeter on the brink of all-out war.

BBC One