"How rude! Invading a man's house and asking him, 'Who's there?!'"
—Vyers Mid-Boss, Disgaea: Hour of Darkness
Shizuru: You must be tired... Not even noticing that I selfishly let myself in...
Natsuki: Yes...
Shizuru: Is it not dangerous to leave the door unlocked? What would happen if someone else entered like me?
Natsuki: I'll be more careful from now on... Though I don't think anyone more dangerous than you even exists...
— Natsuki and Shizuru, My-HiME Shiz/Nat Dojin
"You know, that's what I love about New York; everybody leaves their doors open."
—Yakko Warner, Animaniacs, "Acquaintances"
Mike Murphy: I didn't hear you knock, Lieutenant.
Felicity: How did you get in here?
Thea: My dad's a supervillain and you left your doors unlocked.
Thea: My dad's a supervillain and you left your doors unlocked.
— Arrow, "Al Sah-Him"
Nanu: ...I let myself in.
Prof. Jericho: How did you get in here?
The Doctor: Your door was open.
Prof. Jericho: It most certainly was not!
The Doctor: Well, it was once I opened it but let's not get bogged down in the order of things.
— Doctor Who, "Village of the Angels"
"I did tap on the door but I couldn't compete, I've never had a particularly vulgar knock."
— Dorien Green, Birds of a Feather, "Schooling"
"Entering someone's home without knocking or ringing a doorbell but just acting like you live here, like a dick. AKA, Skippy Handelmanning."
— CinemaSins on True Lies
Sonic: ...how did you get in here?
Rouge: You left the door open.
Rouge: You left the door open.
— Sonic Prime, Episode 1: "Shattered"
"I swear this time I know I had that locked."
—Giles after Willow barges through his front door, Buffy the Vampire Slayer, "The Replacement"