“The guy is from UDT” — Internet abuzz as Netflix releases official poster & trailer of Single’s Inferno Season 4 that includes Sweet Home actor

Netflix drops official Single’s Inferno Season 4 trailer and poster. (Image via X/@NetflixKR)
Netflix drops official Single’s Inferno Season 4 trailer and poster (Image via X/ @NetflixKR)

Netflix ignited excitement among reality TV enthusiasts with the release of the official poster and trailer for Single’s Inferno Season 4, scheduled to premiere on January 14, 2025.

The announcement on January 6, 2025, generated significant buzz, particularly due to the inclusion of actor Yuk Jun-seo, known for his role as a Special Forces soldier in Sweet Home seasons 2 and 3, where his compelling performance resonated with audiences.

His transition from scripted drama to reality TV has intrigued fans, eager to witness how his presence will influence the dynamics on Single’s Inferno.

Fans were eager to observe how his background and personality would interact with other contestants, potentially introducing new dynamics to the established format. Additionally, viewers were curious about any new twists or challenges that may be introduced to keep the series fresh and engaging.

"Dex's reaction to the former UDT actor, it feels like he knows that the guy is from UDT. And the fact that he also has long hair...the producers' intentions are so clear," one fan wrote on X.

With its unique premise and the addition of notable personalities like Yuk Jun-seo, Single’s Inferno Season 4 is poised to captivate audiences once again. Fans flooded social media with their reactions and anticipations.

"First official contestant for Single's Inferno 4. #YookJunSeo, 28 yrs old. He is a South Korean former army, painter, model and actor. Sweet Home 2 & 3 supporting cast." one fan wrote.
"Don't forget he was contestant from Steel Troops/Iron Squad Season 1," another fan added.
"Damn this season seems to be even more dramatic & it looks way hotter. Tbh I'm just here for Dex's reactions but the DRAMA is also exciting," one other fan wrote.

Others expressed their favoritism towards one of the show's jury members, Dex, who was also a contestant in Single's Inferno Season 2.

"Dex looks so good throughout the whole trailer and his reactions are already fun. I'm so excited to see his reactions & comments!!" a fan said.
"LMAO. Im ready for another drama," one other fan commented.
"oh [I] hope they dont cast the mainstream profession or familiar face again this season," another fan expressed.

More about Netflix's popular Korean dating reality show Single’s Inferno

Single’s Inferno is a South Korean reality dating show that strands attractive singles on a deserted island, referred to as "Inferno." Without revealing personal details such as age or profession, participants engage in social interactions and challenges, aiming to form romantic connections.

Couples who successfully match can escape to "Paradise," a luxurious resort, for a date night, while those who don't remain in Inferno. The show's unique format and the genuine interactions among contestants have captivated audiences worldwide.

Meanwhile, Single’s Inferno Season 4 is set to premiere on January 14, 2025, with new episodes released every Tuesday.

The all-new season will consist of 12 episodes, each approximately 60 minutes in duration. The show will be available for streaming exclusively on Netflix, continuing its tradition of delivering engaging reality content to a global audience.

Meanwhile, the previous season left fans abuzz with its impeccable contestant lineup, resulting in several cast members shooting to fame after the release. Participants like Choi Hye-seon, Choi Min-wook, Lee Jin-seok, became fan favorites overnight.

Single's Inferno Season 3 premiered on December 12, 2023, and concluded on January 9, 2024. The cast featured:

  • Kim Gyu-ri
  • Choi Hye-seon
  • An Min-young
  • Yun Ha-jeong
  • Yu Si-eun
  • Choi Min-ji
  • Choi Min-woo
  • Lee Jin-seok
  • Yun Han-bin
  • Lee Gwan-hee
  • Son Won-ik
  • Park Min-kyu

Single’s Inferno Season 3 achieved remarkable success, amassing over seven million viewing hours since its premiere.

Its popularity can be attributed to the diverse and engaging cast, authentic portrayals of romantic pursuits, and the strategic elements involved in forming connections.


As the premiere date of Single’s Inferno Season 4 approaches, fans worldwide are marking their calendars for January 14, 2025, ready to embark on another journey of romance, strategy, and human connection on a deserted island.

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Edited by Ahana Mukhopadhyay
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