Ep 4. The Silurians, Episode 3

The Doctor Who Sampler: The Third Doctor season 1 episode 4 features the iconic third iteration of the Doctor, portrayed by Jon Pertwee, in the hit episode "The Silurians, Episode 3." This thrilling sci-fi adventure is part of a larger multi-episode arc that centers around a group of ancient reptilian creatures that have emerged from hibernation and are attempting to retake the planet Earth from mankind.

As the episode begins, the Doctor and his companions continue to investigate the mysterious disappearances occurring throughout the nearby town. Suspecting the involvement of the reptilian Silurians, the Doctor and his companions infiltrate their underground base in an attempt to make contact with the creatures and negotiate a peaceful resolution to the conflict. However, tensions rise upon the discovery of the Silurians' covert plans to release a deadly virus into the atmosphere, intending to wipe out humanity and reclaim their rightful place as the dominant species on Earth.

Meanwhile, tensions rise amongst the human military as well, with the commander pushing for a more aggressive approach towards the Silurians, including the use of nuclear weapons. The Doctor finds himself caught in between both sides, attempting to broker a peace while warding off the imminent threat of a nuclear strike.

As the situation reaches a boiling point, the Doctor must use all of his wit, charm, and scientific knowledge to bring the conflict to a peaceful resolution before it's too late. Along the way, viewers will be treated to the usual array of classic Doctor Who thrills, including futuristic technology, high-stakes battles, and intergalactic intrigue.

Overall, "The Silurians, Episode 3" is a must-see episode for Doctor Who fans and sci-fi enthusiasts alike. With its blend of action, intelligence, and heart, it showcases the best of what the classic series had to offer, and remains a beloved episode of one of the greatest sci-fi franchises in history.