In 2005, Doctor Who was brought back for a renewed series that is still going strong today, The show ees the Doctor go on a lot of adventures, sometimes solo, but most of the time with another companion. The series manages to switch between darker and lighter episodes, serious or humorous ones.

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And considering Doctor Who's concept – a 900-year-old alien travels through time and space in a spaceship that looks like a British police box from the outside – is bizarre enough on its own, it comes as no surprise that some of the episodes are stranger than others. Either because they work with unexpected characters, bring together elements that shouldn't work but somehow do, or barely focus on the Doctor despite the fact that Doctor Who is named after him.

8 The Unicorn And The Wasp

Doctor Who The Unicorn and the Wasp

The Doctor and the companions meet historical figures more than once. However, the time they meet Agatha Christie is one of the most bizarre ones in the series. That's because they end up facing a giant wasp. Agatha herself is a sympathetic character.

The episode not only features a strange antagonist but also one of the most absurd kissing scenes in Doctor Who. Donna grabs the Doctor and kisses him to help him get rid of a poison coursing through his body.

7 The Doctor's Wife

Doctor Who The Doctor's Wife

The TARDIS is an important part of the Doctor's life, his most loyal companion. But when the Doctor is suddenly trapped out of his ship and the TARDIS takes on a human form, they have to work together to stop their enemies.

Thanks to Idris's (as TARDIS calls herself) behavior, it's impossible to predict what will happen next throughout this story. The whole episode is an exercise in impossibility since the TARDIS taking on a human form is something that doesn't happen in the show often. In fact, it's incredibly rare.

6 Midnight

Doctor Who Midnight episode

"Midnight" is a good example that strange doesn't equal bad as this episode is universally well-regarded. What makes it unusual is, once again, the main antagonist. The Midnight entity steals people's voices, including the Doctor's, and causes the paranoid passengers to turn against the Doctor.

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The audience, as well as the characters, never learn what the creature is, what it wants, what it looks like, nothing. At the heart of the episode, there's, therefore, a mystery that continues to haunt the show's fans to this day.

5 The Return Of Doctor Mysterio

Doctor Who The Return of Doctor Mysterio

As one of the Christmas specials, "The Return of Doctor Mysterio" has a longer runtime than most episodes in the franchise. Even more importantly, though, it's the only Doctor Who episode that deals with the topic of superheroes.

While this combination seems a little bizarre at first, it works in the end, especially for those fans who like superheroes. Some fans weren't happy about the fact that the Doctor didn't have such a big part in the episode but his presence is still highly important for the plot.

Sally Sparrow and a Weeping Angel in Doctor Who Blink

"Blink" is one of the best-rated Doctor Who episodes. However, it's impossible to overlook that it's very different from the rest of the show, story-wise. For one, it barely even has the Doctor in it, instead giving the lead to Sally Sparrow, played by Carey Mulligan, a character who only appears this one time.

That's what makes the episode unusual. Despite this risky step, "Blink" works, and the episode is scary as it introduces the Weeping Angels and captivating.

3 The Lodger

Doctor Who The Lodger

Doctor Who has a lot of scary episodes but also some playful and light-hearted ones. "The Lodger" falls into the second category. The Eleventh Doctor becomes a lodger in a strange house and befriends Craig, played by James Corden.

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Of course, the house isn't quite what it seems, however, the funniest and also the most unusual thing is to watch the Doctor live like a human (or at least try to). So he ends up bickering with his neighbors, playing football, and just hanging out with Craig. They do later become good friends.

2 Love & Monsters

Doctor Who Love and Monsters

By far one of the most bizarre episodes, "Love & Monsters is not loved by too many people and doesn't focus on the Doctor. Instead, the heroes are a group of people who study the Doctor's actions. Unfortunately, an alien is hiding among them and it doesn't end so well for most of the members.

The design of the alien is strange enough, let alone what happens to one of the members – she ends up with only a face. "Love & Monsters" was a bold experiment but it just didn't click with everyone.

1 Dinosaurs On A Spaceship

Doctor Who Dinosaurs on a Spaceship

The Eleventh Doctor seems more relaxed and light-hearted than this predecessor, to a certain degree. This episode is one of his funnier adventures. "Dinosaurs on a Spaceship's" concept is somewhat bizarre – dinosaurs are running on a spaceship and at the same time, Rory and Amy face meeting Rory's dad – but it works.

It doesn't hurt that Mark Williams plays Rory's dad Brian and he gives an excellent performance. A fun tidbit – Matt Smith improvised a scene of a brief kiss between the Doctor and Rory, so when Rory looks disgusted and stunned after the kiss, it's a genuine expression. Not everyone loves the episode, it's too over the top for some viewers, but people who have always enjoyed adventures with dinosaurs had no problem with it.

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