Underground construction workers come across and open a door that was not meant to be opened until Doomsday. The Ghostbusters race to close it before the world really does end.
Plot
| This section is empty. You can help by adding to it. (December 2012) |
Characters
Trivia
- The title of this episode is a reference to the form of joke, a Knock Knock joke.
- The reference of Egon being able to speak Sumerian is a nod to the first Ghostbusters movie. Gozer was a Sumerian god.
- A manhole cover in the episode says "Aija-Do", a Japanese animation company.
- This episode utilizes several sound effects from the Star Wars films, including a laser blast and lightsaber activation, deactivation and humming sounds.
Quotes
After Peter backed away from a pink-haired, skull-faced ghost.
- Peter Venkman: Say, now when was the last time you saw your dentist, hm?
After narrowly saving the world.
- Peter Venkman: That was great. Can we do it again?
- Doomsday Door: Do Not Open Until Doomsday!
- Peter Venkman: It was just an idea.
Referring to the writing on a stone tablet.
- Egon: It's Sumerian.
- Winston: Can you read Sumerian?
- Egon: In my sleep. Underwater with the lights off. Of course I can read Sumerian.
Gallery
| This section is empty. You can help by adding to it. (December 2012) |
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| Episodes 01 - 05 | |
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| Episodes 06 - 10 | |
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| Episodes 11 - 15 | |
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| Episodes 16 - 20 | |
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| Episodes 21 - 25 | |
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| Episodes 26 - 30 | |
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| Episodes 31 - 35 | |
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| Episodes 36 - 40 | |
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| Episodes 41 - 45 | |
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| Episodes 46 - 50 | |
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| Episodes 51 - 55 | |
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| Episodes 56 - 60 | |
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| Episodes 61 - 65 | |
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