1 min read
{{Infobox television episode
| Title = Knock, Knock
| Series = Real Ghostbusters
| Season = 2
| Episode =
| Airdate = {{Start date|1987|11|6}}
| Writer =
| Episode list = [[Real Ghostbusters: Season 2]]<br/>[[Real Ghostbusters: Episode Guide]]
| Prev = [[Moaning Stones]]
| Next = [[The Spirit of Aunt Lois]]
}}
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File:Real_Ghostbusters_Peter_Venkman.jpg%7Clink=Peter Venkman|
Peter Venkman{.wikilink}
File:Real_Ghostbusters_Egon_Spengler.jpg%7Clink=Egon Spengler|
Egon Spengler{.wikilink}
File:Real_Ghostbusters_Ray_Stantz.jpg%7Clink=Ray Stantz|
Ray Stantz{.wikilink}
File:Real_Ghostbusters_Winston_Zeddemore.jpg%7Clink=Winston Zeddemore|
Winston Zeddemore{.wikilink}
File:Real_Ghostbusters_Janine_Melnitz.jpg%7Clink=Janine Melnitz|
Janine Melnitz{.wikilink}
File:Real_Ghostbusters_Slimer.jpg%7Clink=Slimer|
Slimer{.wikilink}
{{Reflist|30em}}
{{Real Ghostbusters}}
{{Real Ghostbusters: Season 2|state=expanded}}