[3] Pha Lê Nguyễn and Hà Việt Dũng, Anh Tuấn Phạm and Thanh Hoa Đỗ Thị, and Nhan Phúc Vinh and Thùy Dung Nguyễn, as well as Thu Hiền Trần Thị and Tiến Đạt Đinh (who competed as separate composite teams), later returned to compete on the fifth season in 2016.
Airdate: 26 July 2013 In this season's first Roadblock, one team member had to enter room number 1 in BHD Cinema Icon 68 and find their next clue, which was hidden under a seat.
In this leg's Roadblock, one team member had to put a python on their neck and walk up the stairs to the top of the observatory to receive their next clue.
Airdate: 16 August 2013 In this leg's Roadblock, one team member had to snorkel in the water and search for an underwater coconut with the next location inside.
In Fish, teams had to pick up a tied up crocodile and deliver it on foot across the ecotourism zone to a marked hut to receive their next clue.
Airdate: 30 August 2013 In this leg's Roadblock, one team member had to dive to the bottom of a swimming pool and use a set of keys to unlock boxes until they found a bottle of Sting Energy Drink.
In High Tower, teams had to take a cable car to the highest point of the Bà Nà Hills, where they would enter a castle.
In this leg's Roadblock, one team member had to eat a serving of unpleasant-tasting food, including specially-prepared rice, fish and sauce to receive their next clue.
Airdate: 20 September 2013 In this leg's first Roadblock, one team member had to properly complete a flight simulation training exercise to receive their next clue.
They then had to travel to Cát Cò Beach 3, where they had to stand outside of a box in the sand and headbutt a volleyball to each other five times without letting it touch the ground to win the Fast Forward award.
In this leg's Roadblock, one team member had to rock climb up a sheer cliff face to retrieve a bottle of Sting and three eggs from baskets to receive their next clue.
Airdate: 4 October 2013 In this leg's Roadblock, one team member had to properly sew an intricate floral pattern onto traditional clothing using a needle and thread to receive their next clue.
Airdate: 18 October 2013 This season's final Detour was a choice between Múa Rối Nước (Water Puppet) or Thư Viện (Library).