What are some of the most memorable episodes of Doctor Who?

Doctor Who is a British science fiction television series that has been around since 1963. The show has had many memorable episodes that have kept viewers on the edge of their seats. Here are a few of the most memorable episodes:

• The Day of the Doctor: This episode marked the 50th anniversary of the show and brought together multiple incarnations of the Doctor. It was a major event for fans of the show.
• Blink: This episode introduced the Weeping Angels, one of the show's most terrifying villains. It also featured a unique storytelling format that had viewers hooked.
• The Empty Child/The Doctor Dances: These two episodes are often cited as some of the best of the show's early years. They introduced the character of Captain Jack Harkness and had a perfect blend of horror, humor, and heart.
• Heaven Sent: This episode was a tour de force for actor Peter Capaldi, who played the Doctor at the time. It featured a unique and mind-bending story that had viewers guessing until the very end.

These are just a few of the many memorable episodes of Doctor Who. Whether you're a fan of the classic or modern era of the show, there are countless episodes that will stay with you long after the credits roll.