‘I truly required a break after that!’ The most nerve-wracking episodes of TV of all time

Spooks – I Spy Apocalypse (2003)

The show kicks off with the MI5 agents confined during a training exercise relating to a hypothetical terrorist attack, overseen by two Home Office officials. As the situation develops, it seems an actual attack has occurred and a chemical agent deployed. The anxiety increases as reports reveal a crisis unfolding beyond their walls, and gets worse as the boss appears to be infected, and the two Home Office officials attempt to leave, forcing Matthew Macfadyen’s character to decide between shooting them or permitting their exit and endangering the sterile MI5 environment. This being Spooks, his decision is predictable.

The 1984 production Threads

Threads was low budget yet among the scariest shows I’ve ever seen owing to its grim authenticity and dismal official figures. Viewed it recently after seeing the first airing; I often attended the bar in Sheffield from the programme which emphasised the reality and the offhand factual official statements that were transmitted. Continuing to be utterly horrifying 35 years later.

Severance – The We We Are from 2022

The concluding episode of Severance’s debut season ranks highly in terms of gripping installments. I remained for the whole show quite literally on the edge of my seat, exerting with Dylan to keep his hands on the levers that sustained the Innies’ extended time, while screaming at the Innies to reveal their realities. The final climactic moment – “she is living!” – was like an eruption.

Industry – White Mischief from 2024

Episode five of the third series of Industry made my pulse quicken. I was compelled to halt and rise and leave the room several times owing to the vast degree of the deliberate ruin I was witnessing. Rishi Ramdani faces serious trouble at work and home – overwhelmed by debt from unscrupulous lenders owing to his uncontrollable gaming, engaging in dangerous ventures on a wager involving sterling that might cost his firm millions. So of course, he goes on a gambling spree, uses copious drugs and alcohol and wins, loses, wins, is brutally attacked. Every time you think things cannot decline more, it worsens. Redemption seems possible as the installment closes but he misses the opening, resulting in dreadful effects during the season’s final episode. Absolutely had to relax following that!

Peep Show – Holiday from 2007

Peep Show is not inherently a tense series. However, the Holiday episode features such degrees of awkwardness that it will make you rise the whole episode, filled with nervousness. The tension escalates when Jeremy and Mark realize being compelled to falsify about the canine they accidentally run over and later efforts to get rid of it. You then spend the rest of the episode questioning whether it truly can be worse than incineration, and it can be!

The West Wing – The Two Cathedrals from 2001

Nothing I have seen has been as tense compared to my initial viewing the season two finale to The West Wing. The installment begins with the consequences of the demise (in a car crash) of the president’s private assistant and escalates to a高潮 with a crisis in Haiti, and the effects of the withheld information regarding the president’s multiple sclerosis diagnosis, with confirmation of his intention to pursue re-election. Superb programming. Unequaled.

Bodyguard – episode one from 2018

The opening of the British series Bodyguard, featuring the main character on a train with his young son, ranks among the most gripping episodes I’ve seen. He spots a Muslim woman heading to the toilet and realizes something is amiss. The explosive disposal specialists are summoned, enter the train, and try to persuade the woman to remove her explosive vest. Suspense rises to a nearly intolerable level, until, indeed, the vest is disarmed.

Buffy the Vampire Slayer – The Body from 2001

Buffy enters her house to realize her mom has deceased of natural causes, which is the most unusual type of death in this mystical program. The episode has no background music, a gloomy atmosphere, and we see the episode through the experience of Buffy’s dismay upon uncovering her mother.

The Sopranos – Made in America (2007)

The ultimate sequence of the series finale of the series was extremely nerve-wracking. And for those who saw it during its initial broadcast, you – at the start – didn’t understand the cause. Tony’s enemies, real and imagined, were all vanquished. This seems similar to the first season’s finale, right? “Recall the minor details.” But the mood is bizarrely ominous. Nearly Twin Peaks-like fear. The family gathers in a diner. Meadow finds a parking spot. Tony gloomily informs Carmela difficulties are arising with an additional associate cooperating with the officials. Meadow secures a parking space. Strange people enter the restaurant. Look at Tony(?) Meadow is parking. Tony selects a song on the jukebox. Meadow parks her car. The bell sounds, an individual enters. Can’t be Meadow, she’s still parking. Tony raises his gaze. Don’t stop. It stops. My heart dropped from my mouth about 20 minutes later.

The Walking Dead – The Last Day on Earth from 2016

I stayed up to watch this episode in the early morning. It was so intense after the establishment of antagonist Negan finding the group, mercilessly mocking his targets then not knowing who he killed (finished with an unresolved situation). The victim’s POV shot and the muted audio – oh no! {We then had to wait for season seven|We then needed to await season

Neil James
Neil James

A tech journalist and digital strategist with over a decade of experience covering emerging technologies and their impact on society.