‘I truly required a break after that!’ Your most nerve-wracking television episodes ever

Spooks – I Spy Apocalypse (2003)

The show kicks off with the Spooks team confined during a training exercise relating to a hypothetical terrorist attack, supervised by two Home Office agents. As the situation develops, it appears that there really has been an attack with a chemical weapon released. The tension ratchets up as messages indicate a disaster happening externally, and escalates when the leader seems contaminated, with the two officials trying to exit, compelling the character played by Matthew Macfadyen to opt for either shooting them or permitting their exit and potentially infecting the secure MI5 headquarters. Given it’s Spooks, his decision is predictable.

Threads (1984)

The production was inexpensive yet among the scariest shows I have ever watched due to its harsh realism and grim official statistics. Watched it about a month ago after seeing the first airing; I frequently went to the Sheffield pub shown in the series which underscored the actuality and the casual, straightforward government details that were transmitted. Remaining completely frightening 35 years later.

The 2022 Severance episode The We We Are

The concluding episode of Severance’s debut season has to be right up there in terms of gripping installments. I was throughout the episode literally perched nervously, pushing alongside Dylan to maintain his grip on the controls that kept the Innies on overtime, while shouting to the Innies to get their truths out there. The concluding高潮 – “she survives!” – felt like an explosion.

The 2024 Industry episode White Mischief

Installment five in Industry’s third series made my pulse quicken. I was compelled to halt and rise and leave the room several times because of the sheer scale of the deliberate ruin I observed. Rishi Ramdani is in deep shit at work and home – overwhelmed by debt to loan sharks owing to his uncontrollable gaming, assuming hazardous chances with a gamble on the pound that might cost his firm millions. Inevitably, he starts a gaming binge, consumes excessive substances and alcohol and experiences wins and losses, is severely assaulted. Every time you think it can’t get any worse, it worsens. Redemption seems possible as the installment closes yet he wastes the chance, resulting in dreadful effects in the concluding part of the season. Absolutely had to relax following that!

The 2007 Peep Show episode Holiday

Peep Show is not inherently a tense series. But the episode Holiday features such degrees of awkwardness that it will make you rise throughout the entire episode, permeated with worry. The tension escalates as Jeremy and Mark discover needing to deceive regarding the dog they unintentionally hit and later efforts to get rid of it. You then occupy the remainder of the episode doubting if it can actually be more terrible than burning, and it can be!

The West Wing – The Two Cathedrals (2001)

Nothing I have seen has been as tense as when I first saw the second season finale of The West Wing. The show opens with the fallout of the death (in a traffic accident) of the president’s personal secretary and builds to a peak involving a Haitian emergency, and the effects of the withheld information of the president’s MS diagnosis, coupled with verification of his aim to pursue re-election. Wonderful television. Unequaled.

Bodyguard – episode one (2018)

The opening of the British series Bodyguard, with the protagonist on a train alongside his juvenile boy, is for me one of the most intense episodes ever. He observes a woman in Islamic attire entering the restroom and knows something is off. The bomb squad is alerted, board the train, and endeavor to coax the woman to take off her suicide vest. Anxiety builds to a practically unendurable point, until yes, the vest is diffused.

The 2001 Buffy episode The Body

Buffy comes into her home to realize her mom has deceased due to natural factors, which is the rarest form of demise in this supernatural show. The installment lacks any soundtrack, a gloomy atmosphere, and we see the episode through the experience of Buffy’s astonishment upon finding her mother.

The 2007 The Sopranos finale Made in America

The final scene of the final episode of the show was pants-wettingly tense. 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 overcome. Surely this has the feel of the season one ending? “Think about the small elements.” Yet the atmosphere is strangely foreboding. Almost Twin Peaks levels of terror. The family sit in a restaurant. Meadow parks. Tony gloomily informs Carmela difficulties are arising with an additional associate cooperating with the officials. Meadow parks. Strange people enter the restaurant. Look at Tony(?) Meadow parks. Tony puts a record on the jukebox. Meadow parks her car. The bell sounds, an individual enters. It cannot be Meadow, she is still parking. Tony glances upward. Keep going. It halts. My heart sank about 20 minutes later.

The 2016 The Walking Dead episode The Last Day on Earth

I kept late hours to see this show during the night. It was incredibly tense after the establishment of antagonist Negan finding the group, mercilessly mocking his targets and then leaving the victim unknown (concluded with a suspenseful moment). The first-person perspective of the victim and the subdued noises – argh! {We then had to wait for season seven|We then needed to await season

Claudia Spencer
Claudia Spencer

A tech journalist and software analyst with over a decade of experience covering digital trends and innovations.