Somebody Set Up Us the Bomb

""But here, cleverly disguised as a bomb, is a bomb.""

- Bullwinkle, Rocky and Bullwinkle

So, the bad guys have broken through the bank vault, stolen all the cash, and are heading towards the elevator intending their escape. The protagonist is nowhere to be seen... until the elevator opens and the bad guys see their stolen TNT right in the middle. Their jaws drop, and the timer counts down, 3, 2, 1...

This kind of surprise encounter with explosives can be used in all sorts of ways. The only constant is that Character A sends Character B something with a big boom (sometimes a nuke) when Character B isn't expecting it, leaving Character B with no chance to survive.

See Incredibly Obvious Bomb and Time Bomb. Often part of You Got Murder or Why Am I Ticking?.

Anime

 * Excel Saga has Excel and Hyatt repeatedly try to do this. It doesn't work right. Even when they disguise the bomb as a giant panda.
 * In Cowboy Bebop, Gren sets Vicious up the bomb in the form of
 * In Irresponsible Captain Tylor, Tylor gives a present to the enemy captain he has just surrendered to, not knowing that it was actually a bomb the space marines on board had given to him wrapped as a gift to get rid of him, making this a totally intentional instance of Somebody Set Up Us the Bomb.
 * There's a running gag of Team Rocket getting stuck with some really undesirable mon-related situation, such as being surrounded by Gyarados. Sometimes, this is a Voltorb that proceeds to, you guessed it, self-destruct.

Comic Books
"Harley Quinn: "Uh, fellas? Our boy is a blow-up doll. And not the fun kind.""
 * The  leaves a bomb for the Runaways in a red herring trap.
 * Major Bludd leaves a bomb for both sides of a business deal in an issue of the Devil's Due version of G.I.Joe.
 * Suicide Squad:

Film
""Hello. I'm Captain Kathryn Janeway. Welcome to the bridge." BAH-WHAM"
 * The original Stargate movie had O'Neil sending a nuclear warhead up to Ra's spaceship.
 * Even better, Ra's soldiers were using that bomb to do the same to Earth, and after killing them O'Neil sent it to Ra because he couldn't deactivate it.
 * Star Trek Generations. Captain Picard is fiddling with the control panel for Soren's sun-killer missile. When Soren orders him away from it and goes to work on it himself, he discovers that Picard has sabotaged the missile. As the launch clock counts down to zero, the last we see of Soren is the look of despair on his face as the missile explodes, killing him.
 * Star Trek III the Search For Spock. After some Klingons beam over to the Enterprise in order to capture it, they hear the computer counting down the last few seconds before the ship's Self-Destruct Mechanism activates. Their leader, Kruge, is listening in and tells them to get out, but it's too late.
 * Alt-Captain Janeway (or maybe the original? It's a bit confusing) pulls the same trick in "Deadlock." The Vidiians, having overrun Voyager, enter the bridge, where they are greeted by a pleasantly smiling Janeway and a silent autodestruct countdown.

"Clouseau: Special delivery -- a bermb. Did you order one? A BERMB?!"
 * One of these happens in The Fifth Element right near the end.
 * This turns up a lot in the Pink Panther films from A Shot in the Dark onwards. More often than not, they result in Non-Fatal Explosions.


 * Die Hard, when McClane ties plastic explosives and a computer monitor to a swivel chair, with electrical cord, and drops the chair down an elevator shaft onto two mooks who were shelling an armored police car.
 * In Casino Royale, part of Le Chiffre's Evil Plan is to get his mook to blow up the newest Skyfleet plane with a key fob explosive attached to a fuel truck. Bond interferes. One unnecessarily long fight later, Bond's down and out, and the mook triumphantly hits the button on the trigger...then sees that the bomb's been attached to his belt...
 * Something very similar happened with a mook in the Tim Burton Batman movie.
 * Samir Horn in Traitor is an American operative deep undercover in a radical Islamic terrorist organization. Their plan is to blow up fifty passenger buses across the United States simultaneously, and Horn is tasked with instructing the terrorists on which buses to board. He puts them all on the same bus.
 * In Law Abiding Citizen, the villain/protagonist/whateverheis has a napalm bomb placed in City Hall, intending to kill the major and the city's emergency service officers. However, the attorney he's been up against the entire film shows up and lectures him, telling him that if he detonates, he'll have to live with his decision for the rest of his life. He decides to detonate, not realizing that the attorney has placed the bomb underneath his prison cot.
 * In the Chuck Norris masterpiece Invasion U.S.A., a group of bad guys are trying to blow up a church while people inside are seeking shelter. They hit the detonator, and-- click. Cue Chuck showing up behind them: "Didn't work, huh?", dropping the bomb into their car, then connecting the wires he cut. "Now it will." Boom.
 * Elsewhere in the same movie, a group of bad guys in a car attach a time bomb to the side of a school bus full of children. Chuck drives up next to it, yanks the bomb off, then attaches it to the bad guys' car.
 * Battlefield Earth. Johnny manages to strap the neck bomb on Terl's arm, then convinces him to detonate it - Terl thinks it'll blow up Johnny's girlfriend's head.
 * Van Helsing: When the carriage Van Helsing is driving plummets into a ravine, Dracula's Bride Vernona breaks the door off the carriage, thinking Frankenstein's monster is inside... instead she finds a nitroglycerin bomb rigged to fire a salvo of stakes when it goes off...
 * In Resident Evil Afterlife, Wesker flees from the Umbrella ship in a jet, then smugly activates the ship's self-destruct countdown - only to realize that Alice had already moved the device onto the very plane he's flying.
 * In Magnum Force Dirty Harry disarms the bomb that the villain planted in his mailbox and takes it with him. When he confronts the villain, he reactivates it and tosses it into the villain's car, who drives off, unaware.
 * In Speed, the movie does this with Harry.

Literature

 * Artemis Fowl,
 * Twice.
 * He also does it in the first book, luring Root to Holly's transponder.
 * The Chessmaster in the last Empire From the Ashes book sets up the Emperor the bomb by disguising it in an important statue. By the time this is discovered, it is inside the most heavily defended section of the palace, has an anti-tamper device set to go off if Imperial technology gets close, and packs enough power in its bite-sized package to destroy a sun. Oh Crap.
 * In the the Halo novel Ghosts of Onyx, the humans on the planet Reach allow the invading Covenant to come into possession of a NOVA bomb, which is a basically a Mega Nuke capable of destroying an entire planet. The plan is for the Covenant to take it back to their capital for study and detonate it in the process.
 * Happens in the Storm Thief when  The future victim of the explosion notices that the detonator was stolen from him but is still cocky since the bomb should still be attached to it's intended target. He gets just enough time to realize the bomb is in his pocket.

Live Action TV
""Requested:
 * The ending of the three part "Hot to Katrazi" arc on Farscape had John dropping a mini-nuke into the Scarran's gardens.
 * A Xanatos Gambit variant in the Doctor Who stories "Remembrance of the Daleks" and "Silver Nemesis".
 * Both the season one opener and closer of Leverage featured a bomb going off like this. The first was deployed by the villain, the second by the protagonists(though it wasn't meant to kill, only to destroy the evidence in their office)
 * Favorite tactic early on in Battlestar Galactica, since it ensured that the nuke took out a Basestar.
 * They did it to a Borg.. um.. rounded rectangular prism? in Star Trek Voyager.
 * It was a photon torpedo.
 * Set to "overload" and beamed into the ship after Voyager had disabled their shields.
 * The Borg ship was the rectangular prism, not the photon torpedo.
 * In Legend Of The Rangers, one of the Babylon 5 TV movies, the Rangers did this to the same villains on two separate occasions. After all, who'd be stupid enough to use the same trick twice? To clarify, the enemy did use precautions the second time, but the protagonists anticipated and nullified them.
 * While we may not get to see it, one opening quote gives us:

One Mark V ECM unit, 1000 km of

Fullerene cable, one low-yield nuclear warhead.

Purpose:

Surprise party for a foreign dignitary."

Argosy Special Operations requisition form, CY 9512"


 * In Mighty Morphin Power Rangers: At the end of the third season, Lord Zedd sends Goldar and Rito into the tunnels under the Command Center to plant a bomb and blow the place up. It succeeds, quite chillingly, though Zordon had prepared for the possibility. And in the finale to Power Rangers Zeo, Rita and Zedd blow up the Royal House of Gadgetry with a package bomb. They get rebuilt by the beginning of Power Rangers in Space.
 * In the alternate reality of the Stargate SG-1 episode "There But For the Grace of God", the Jaffa invading the alternate SGC arrive at the gate room and control room just as the base self-destruct reaches zero. They can be seen milling about going Oh Crap as the P.A. system counts down, "Five, four, three, two, one..."
 * Honorable mention to the fireworks O'Neill used to booby-trap the MacGuffin in one of the training scenarios in "Proving Grounds". His trainees abort the "mission" rather than try to disarm them.
 * According to "Summit", the System Lord Ba'al apparently had a reputation for doing this to his enemies. In the words of Daniel Jackson, gifts from Ba'al "have a habit of exploding."
 * In Breaking Bad,  finally kills   this way at the conclusion of season 4.

Web Original

 * TRY AND CATCH ME NOW.
 * The Spoony Experiment does this in the Final Fantasy VIII finale.
 * Bonus points for recreating the above-mentioned Enterprise self-destruct in Star Trek III the Search For Spock.
 * I WILL EXPLODE IN YOUR FACE.

Web Comics
"Man: What was that?!
 * Order of the Stick: "Guess what spell I cast before giving this to the bird."
 * Scribing Explosive Runes on random items for various enemies to find, usually in the form of "Guess what spell I prepared this morning" is one of Vaarsuvius's running gags.
 * Xkcd: Parodied in the fifth installment of the "Journal" series: the man goes to the woman's house and greets her. She presses a button and there is an explosion outside of the frame.

Woman: Remote mines under your car.

Man: Oh, those. I moved them to your garage before knocking.

Woman: Touché."

Video Games
"Garrus: Oh Crap!"
 * of Vampire: The Masquerade - Bloodlines.
 * Guess.
 * At the end of Resistance 2,
 * Halo 2: After temporarily disarming the bomb the Covenant set up on Cairo Station, MC then rides the bomb back to its setter-uppers.
 * In Halo 3's second mission, you set the Covenant up the bomb in one of your base that is belong to them.
 * In Call of Duty 4,
 * Syphon Filter: "This one's different from the others'', :turns over bomb to reveal timer at 4 seconds, BOOM. Also occurs several more times throughout the series, with at least one involving a Dead-Man Switch.
 * Happens just as you're leaving the hospital in Resident Evil 3. Luckily, it's a Magic Countdown, the bomb doesn't go off until a couple seconds after the timer reaches zero.
 * In the old Dragonball Z: Budokai game, Mr. Satan (AKA Hercule) uses an exploding portable console (looks like an oversized GBA) to trick his enemies in his Super Attacks. Everyone falls for it, even Cell...
 * Happens at the end of every level in the Third-Person Shooter subgame of Die Hard Trilogy.
 * In every last Bomberman game, YOU set up THEM the bomb.
 * This is actually a cheat code in Starcraft that makes you instantly lose.
 * In the middle of the Zerg campaign, Kerrigan boards a science vessel to get the data she requires to break her psychic Restraining Bolt. A Terran demolition team boards the ship as well to destroy it and get ambushed. Seeing no way out, they detonate the nuke they brought with them to vaporize all the Zerg on the station... but Kerrigan's no longer onboard.
 * The Terran campaign of Brood War has setting up the bomb to the UED Non-Entity General by luring him into the Psi Distruptor and setting the reactor on overload.
 * In World of Warcraft, the very first quest a new goblin player gets is to deliver a "present" from your executive assistant to a mining foreman who hasn't met quotas. You can guess what the present is.
 * Warhammer 40000: Dawn of War: Dark Crusade has the player do this to the Necron stronghold. Especially with the Necron Pariah's reaction.
 * In Meet the Demoman the RED Demoman does this to the entire BLU team.
 * In Dragon Age II,
 * In the attact mode cinematic to Tekken 5, someone delivers a bomb to Heihachi Mishima via Jack robot.
 * In Mass Effect 3, after going to and coming under attack by, you go to the elevator to try to get topside, only to find a bomb in the elevator. Garrus says it best.

Western Animation

 * Futurama: Bender's Big Score: "You've been scammed, sweetheart!"
 * Happens in the Beast Wars episode "Equal Measures." An energon vein that runs underneath both bases means that one can travel from one to another instantaneously but an explosion on one end will mean explosion on the other. Cheetor, in the Predacon base, sends this information to the Maximals via a data disk through this instantaneous connection... only for the bomb he was warning them not to use to suddenly appear in the base.
 * In the Transformers Animated episode "Decepticon Air", Optimus loads a pile of explosive energon cubes onto the lift and then cuts the lift cable, dropping it right down to the Decepticons waiting for him at the bottom.
 * If it seems familiar, that's because the entire episode is Die Hard with Transformers.