Doctor Who series 10, episode 4, “Knock Knock” will likely go down being considered as a “classic” episode, that shows The Doctor interacting with Bill’s new roommates, and helping convince a misguided person to change their ways. “Knock Knock” also has great visual effects, is quite spooky, as well as being sad.

Join David and Wayne, as they discuss this episode of Doctor Who, give their episode ratings, and share more great listener thoughts and theories!

David also has another Classic Doctor Who homework assignment to expand your love and appreciation for historic Doctor Who. Watch “Ghost Light.“

We discuss our favorite tidbits from an article on BBC America’s website, “10 Things You May Not Know About Knock Knock“.

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