‘I truly required a break after that!’ The most intense TV episodes ever

Spooks – I Spy Apocalypse from 2003

The show kicks off with the intelligence unit restricted during a training exercise concerning a fictional terrorist event, overseen by two Home Office officials. As events unfold, it appears that there really has been an attack with a chemical weapon released. The suspense builds as incoming communications show a crisis unfolding beyond their walls, and gets worse when the leader seems contaminated, and the government agents endeavor to depart, pushing the protagonist portrayed by Matthew Macfadyen to decide between shooting them or permitting their exit and endangering the sterile MI5 environment. Given it’s Spooks, it is unsurprising which one he chooses.

Threads from 1984

Threads had minimal funding but arguably the most terrifying series I have viewed due to its harsh realism and grim official statistics. Saw it not long ago after seeing the first airing; I frequently went to the Sheffield pub shown in the series that highlighted the truth and the glib matter-of-fact official information which was broadcast. Remaining completely frightening decades on.

The 2022 Severance episode The We We Are

The concluding episode of Severance’s debut season deserves a top spot among intense episodes. I remained for the whole show literally perched nervously, straining every sinew with Dylan to hold the switches that allowed the Innies to remain active, while screaming at the Innies to disclose their facts. The final climactic moment – “she is living!” – resembled a outburst.

Industry – White Mischief from 2024

Installment five in Industry’s third series had my heart racing. I had to pause and get up and exit the space repeatedly due to the immense extent of the wanton self-destruction I was witnessing. Rishi Ramdani is in major difficulty in his job and domestic life – buried in financial obligations to illegal creditors because of his compulsive gambling, assuming hazardous chances with a gamble on the pound which may result in huge losses for his employer. Inevitably, he starts a gaming binge, consumes excessive substances and alcohol and experiences wins and losses, is severely assaulted. Each instance you believe the situation cannot deteriorate further, it worsens. There’s hope of redemption as the installment closes but he misses the opening, with horrifying consequences in the concluding part of the season. Absolutely had to relax following that!

Peep Show – Holiday from 2007

Peep Show is not inherently a tense series. Yet the installment Holiday contains such levels of cringe that it’ll have you standing up for the full show, permeated with worry. It all ramps up as Jeremy and Mark discover needing to deceive regarding the dog they accidentally run over and subsequent attempts to dispose of it. You then occupy the remainder of the episode doubting if it can actually be more terrible than burning, and it is possible!

The West Wing – The Two Cathedrals (2001)

No other viewing has been as gripping as when I first saw the second season finale of The West Wing. The installment begins with the consequences of the death (in a traffic accident) of the president’s private assistant and escalates to a高潮 involving a Haitian emergency, and the effects of the withheld information about the president’s MS condition, along with affirmation of his plan to seek re-election. Wonderful television. Unequaled.

Bodyguard – episode one from 2018

The beginning of the UK show Bodyguard, with the hero aboard a train accompanied by his small son, is for me one of the most intense episodes ever. He notices a Muslim female entering the restroom and senses something is wrong. The bomb squad is alerted, board the train, and endeavor to coax the woman to take off her suicide vest. Suspense rises to a practically unendurable point, until, finally, the vest is neutralized.

The 2001 Buffy episode The Body

Buffy comes into her home to realize her mom has deceased from natural reasons, which is the least common kind of passing in this mystical program. The show features no musical score, a somber mood, and we see the episode through the experience of Buffy’s shock of discovering her mother.

The Sopranos – Made in America (2007)

The ultimate sequence of the series finale of the series was extremely nerve-wracking. And if you watched it when it originally aired, you – initially – were uncertain of the reason. Tony’s enemies, real and imagined, had all been defeated. Surely this has the feel of the season one ending? “Think about the small elements.” However, the vibe is oddly threatening. Almost Twin Peaks levels of terror. The family gathers in a diner. Meadow stops the car. Tony gloomily informs Carmela difficulties are arising with another member of his team working with the government. Meadow parks. Strange people enter the restaurant. Gaze at Tony(?) Meadow continues to park. Tony puts a record on the jukebox. Meadow parks. The door chimes, a person comes in. Can’t be Meadow, she’s still parking. Tony looks up. Don’t stop. It halts. My heart sank around 20 minutes subsequently.

The 2016 The Walking Dead episode The Last Day on Earth

I stayed up to watch this episode at 2am. It was so intense after the buildup of bad guy Negan locating the survivors, savagely teasing his prey then not knowing who he killed (concluded with a suspenseful moment). The first-person perspective of the victim and the muted audio – oh no! {We then had to wait for season seven|We then needed to await season

Tara Cortez
Tara Cortez

A passionate mountaineer and travel writer with over a decade of experience exploring Europe's peaks, sharing stories and practical advice.