Not so much a porn trope, although it's certainly there.
Alice and Bob, deciding to spice up their relationship, film themselves having sex. Or take pictures of each other naked.
At some point, hilarity generally will ensue
This, however, can also occur in drama—and be a motive for murder. Often done because the person needs the money, and if not actually the basis for murder, at the very least used for blackmail.
This is Truth in Television
, and the most infamous cases are when famous people do it
Anime and Manga
- By accident the ADs of Chou-Hayaoki TV end up taping one of the main characters of The Weatherman Is My Lover during the Hot Springs Episode.
- The Panty & Stocking with Garterbelt episode "Sex and the Daten City" sees Panty at risk of losing her newfound celebrity lifestyle when she screens her "debut film" (a sex tape) at a swanky premiere for another movie she and Stocking are in, which leaks to the public, leading to the Anarchy sisters traveling the world to destroy every last copy of the porn. They succeed, but Stocking keeps the last copy and uploads it online to get even with Panty for cutting her from their film entirely.
- In Dykes To Watch Out For, Ginger dates a video artist who enjoys making these particular kinds of videos of their encounters. Naturally, Ginger's housemates Sparrow and Lois discover one of the tapes and give her a good ribbing about it.
- This is the basis of Road Trip.
- Backfires spectacularly in Trainspotting, to the point where it leads directly to the death of one of the main characters.
- In Ruthless People, the sex tape is filmed by a pair of blackmailers trying to get someone arrested for murder. Thinking (by the screaming) that it was actually a murder, they take the tape straight to the chief of police. Unfortunately, it was him on the tape, and, accidentally blackmailed, he obeys their commands. Gets really bad when the cleverer of the two blackmailers takes the tape into a video shop to check it.
- Clark Griswald (in National Lampoon's European Vacation) tests his new videocamera by taping Mrs. Griswald in the shower. After swearing he's going to erase the tape later, she sings a "naughty" version of "Hey, Big Spender." Later, in Italy, Clark hands the camera to a stranger to videotape the family while standing in the Trevi Fountain and the stranger runs off with it. Something like a day passes and they see a screengrab from the "shower scene" on a billboard for a new "erotic movie". (She is not happy.)
- Zack and Miri Make a Porno: Exactly What It Says on the Tin. They're trying to make a professional porn, but are working with a shoestring budget and have quite a bit of unexpected emotional baggage to deal with.
- In "An Evening With Kevin Smith", he talks about borrowing and watching a sex tape made by and starring Jason Mewes. Yes. In an interview on Attack of the Show, Smith actually said that this is his favorite kind of porn ever since he discovered "revenge porn" on the internet.
- In Bad Boys II, Marcus and Mike play the tape of a suspect's camera at an electronics shop. After useful info, it cuts to home-recorded sex. And while trying to shut it off, they accidentally make all the TVs of the store play it. (The following "broadcast" is even worse/funnier).
- In Machete, April and her mother June film these, although it's unclear how far they go. They mistake Machete for a new gardener and invite him to join them. It's unclear how far he goes, but he definitely kidnaps them and puts the video in a place where the evil father, Booth, can find it, to taunt him.
- In Bruce Almighty, Grace has wrangled Bruce into putting together a scrapbook, and he finds pictures from the vacation they took together. Cue Grace trying to wrestle them out of Bruce's hand.
- Brazilian movie Cilada.com has the protagonist suffering this twice: first, it lasts less than a minute, and his girlfriend puts up online to retaliate on a public betrayal. Then in the ending, after he's humiliated in all ways possible but the relationship is put back together, she decides to record another video... and another problem happens.
- In War INC, Yonica's fiance was planning to make one of their honeymoon and then sell the resulting DVDs. Yonica was unaware of this and got really upset when she found out.
- This plays a key role in Flatliners, where the sins of one of the characters is recording these without the women's knowledge or consent.
- Part of the plot of Ian McEwan's novel Amsterdam revolves around scandalous photographs of a character crossdressing in the company of someone else's wife, and the potential for blackmail. When the photographs are revealed by the crossdresser's rival, nobody is very shocked or offended by them, and people are more inclined to praise him for acting out his fantasies. However, the character's chances of becoming Prime Minister are still ruined, so the rival succeeds nonetheless.
- "Cry Me A River" , the Justin Timberlake song, has a video where JT does this, with the aim of getting back at a woman who is very clearly meant to be Britney Spears.
- "Get Naked" on Tommy Lee's rap album complains about the money being made off his sex tape with Pamela Anderson.
- King of the Hill has Hank and Peggy walk into Boomhauer's bedroom to see a videocamera pointed at the bed and hooked up to the tv. They assume it's for home videos and pretend to be news casters on the bed with it.
- Subverted in The Simpsons- Bart finds a tape marked "Homer and Marge Get Dirty", and plays it for Lisa hoping to traumatize her. It turns out its just footage of the two carving pumpkins.
- Not quite home, but on Sealab2021, when Stormy asked the ASHDTV to show him porno bloopers, it showed him one featuring Debbie and, based on context clues, Hesh. Debbie was more offended that the guys didn't think her breasts were real.
- In an episode of Rocko's Modern Life, Rocko Heffer and Filbert find a video made by the Bigheads called "Toads In Love".
- The Adventure Time "The Pit" has several parts where it's shown Jake has made a sex-tape for his girlfriend, Rainicorn.
Anime and Manga
- "The Porn Stars" in Chuck Palahniuk's Haunted. They started out making the movie as a labor of love and to make money. By the time they're finished, they've realized how artificial their relationship has become.
- A very dark version appears in The Girl with the Dragon Tattoo. Lisbeth takes a hidden camera to her guardian's house, knowing he's going to molest her and planning to use the tape as blackmail. However, instead he knocks her unconscious, ties her up and brutally rapes her. She of course still has the tape and uses this for blackmail... after knocking him out on the next visit and tattooing "I am a rapist pig" on his stomach.
- Julie was blackmailed with one of these on The O.C..
- Soap being an Affectionate Parody of Soap Operas, naturally featured one of these.
- Kings had a story where the princess is blackmailed with the photographic variety.
- Done in an episode of Criminal Minds: when a woman finds in her husband's cell phone nude pictures of their daughter, he tries to get away by claiming that this is some sexting done by the daughter (presumably to her boyfriend) and that she sent those to her father in law by mistake. he's lying by the way
- Sort of happens in LOST, when Jack catches Sawyer and Kate cuddling post-coitus on a security camera. If he'd been through a few minutes sooner, he would have gotten a real eyeful...
- Veronica Mars had a hidden camera sex tape filmed without her or her boyfriends knowledge in his dorm room. It is then leaked to the internet. It causes major problems, and causes her ex-boyfriend Logan to beat her current boyfriend Piz senseless as Logan assumes he made it on purpose.
- Shows up several times on Midsomer Murders usually as blackmail material followed by murder.
- Lisa of Venus Envy was publicly outed as a lesbian and had her reputation destroyed when she was involved in something like this.
- In Misfile, when nude photos of a girl start circulating around the school, it is treated as a very serious problem, and the legal implications (that under-18 sex is extremely illegal) are brought up, though we are informed that the girl in question is 18.