• Gong Yoo, Kim Go Eun and Lee Dong Wook starred in the tvN fantasy drama 'Goblin.'

Gong Yoo, Kim Go Eun and Lee Dong Wook starred in the tvN fantasy drama 'Goblin.' (Photo : YouTube/tvN Drama)

"Goblin" may have ended its 16-episode run in mid-January, however, the tvN production is set to unveil some never-before-seen footages in an upcoming two-part special. Meanwhile, Lee Dong Wook's agency recently released a clip that featured the unexpected on-set visit of some of the actor's cute friends from the KBS program "Return of Superman."

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Avid fans of the fantasy drama "Goblin" can look forward to seeing some of the behind-the-scenes moments from the tvN production. Despite airing its final episode on Jan. 14, the series' popularity continues to soar both in South Korea and other countries.

An official from tvN told OSEN that a two-episode "Goblin" special will be released on Feb. 3 and Feb. 4. Viewers can expect to see blooper reels, interesting behind-the-scenes clips, several un-seen footages, as well as cast interviews.

Some of the clips to be released includes the movie date scene between Shin (Gong Yoo) and Eun Tak (Kim Go Eun) where they watched the global hit "Train to Busan." Avid fans will soon see the funny out-takes from the said scene given Shin's hilarious reaction to the zombie movie.

In other news, Lee's entertainment agency recently unveiled a behind-the-scenes clip that showed the actor hard at work while he filmed the tvN fantasy drama. Released on Naver V Live, as cited by Soompi, some of the scenes depicted the "My Girl" star's camaraderie with his co-stars and the production's crew members.

Moreover, a surprise visit by some of the children from the reality program "Return of Superman" was also included in the said clip. Lee previously guested on the said KBS show where he helped to take care of the five children namely Daebak, Seol Ah, Soo Ah, Jae Si and Jae Ah.

The siblings, as accompanied by their mother, dropped by the "Goblin" filming set to show their support for the actor. However, the children's visit became an awkward reunion given their surprise in seeing their honorary celebrity uncle in an all-black grim reaper ensemble.

The upcoming "Goblin" two-episode special is expected to be aired on tvN before the drama "Tomorrow with You." Watch a teaser clip below: