Ep 7. The Unicorn and the Wasp

The Unicorn and the Wasp is the eighth episode of the fourth season of Doctor Who, which aired in 2008. This episode follows the Tenth Doctor, portrayed by David Tennant, and his companion Donna Noble, played by Catherine Tate, as they arrive at a manor house in 1926 England, only to find themselves in the midst of a murder mystery.

The episode begins with the Doctor and Donna arriving at the manor house, where they are invited to a dinner party hosted by the famous author Agatha Christie. However, things take a turn for the worse when one of the guests is found dead, with a giant wasp seen leaving the scene of the crime.

As the Doctor and Donna investigate the murder, they discover that the house is filled with suspects, each with their own motives for committing the crime. From the snobbish socialite Lady Eddison to the bumbling butler, every character has something to hide.

Soon, the Doctor and Donna are joined by Agatha Christie herself, who becomes instrumental in helping the duo solve the mystery and bring the killer to justice. Along the way, they encounter a giant alien wasp, a deadlocked room mystery, and a hidden secret that threatens to tear the house apart.

As always, the Tenth Doctor is at his best in this episode, with David Tennant delivering a mix of humor, wit, and intensity that keeps viewers engaged from start to finish. Catherine Tate's Donna is also a standout, providing a much-needed sense of groundedness and compassion amidst all the chaos.

The episode is a loving homage to the classic murder mystery genre, with nods to Agatha Christie's most famous works and a plot that keeps viewers guessing until the very end. The setting of the manor house is beautifully realized, with ornate period costumes and sets that transport the audience to another time and place.

Overall, The Unicorn and the Wasp is a standout episode in the fourth season of Doctor Who, showcasing the Doctor's brilliant mind and unstoppable spirit in the face of danger. With a clever script, talented cast, and thrilling plot, this episode is a must-watch for fans of science fiction, mystery, and adventure.