Series synopsis
Boys II Planet, also known as 보이즈 2 플래닛 is a South Korean reality television series that premiered on Mnet on July 17, 2025. It ended on September 25, 2025. It stars Park Dong Gyu, Han Harry-June, Moon Suhn Bin and Lee Dong-heon.
Boys II Planet is a survival show broadcasted on Mnet. It is a sequel to Girls Planet 999 and Boys Planet. Planet K premiered on July 17 while Planet C started airing on July 18, 2025.
Boys II Planet is based on the themes and aesthetics of space. It consists of two programs, K and C, produced in Korean and Chinese respectively, with both programs following the same format for each contest. The show will create a twin group project, with both groups debuting at the same time. The final line-up ...
Premise
Boys II Planet is a survival show broadcasted on Mnet. It is a sequel to Girls Planet 999 and Boys Planet. Planet K premiered on July 17 while Planet C started airing on July 18, 2025.
Boys II Planet is based on the themes and aesthetics of space. It consists of two programs, K and C, produced in Korean and Chinese respectively, with both programs following the same format for each contest. The show will create a twin group project, with both groups debuting at the same time. The final line-up will work in two different groups, K and C, and will also work as a complete group.
Cast and characters
Leading cast
- Park Dong Gyu as Self - Contestant
- Han Harry-June as Self - Contestant
- Moon Suhn Bin as Self - Contestant
- Lee Dong-heon as Self - Contestant
- Lee Leo as Self - Contestant
- Lee Sang-won as Self - Contestant
- Kim Jun-seo as Self - Contestant
- Jayder as Self - Contestant
Supporting cast
- Yang Hee-chan as Self - Contestant
- Jeon Lee-jeong as Self - Contestant
- Wonjun as Self - Contestant
- Jo Gye-hyun as Self - Contestant
- Yoo Kang-min as Self - Contestant
- Thanathorn Rueangsuwan as Self - Contestant
- An Xin as Self - Contestant
- Chuei Li Yu as Self - Contestant
- Arno as Self - Contestant
- Geonwoo as Self - Contestant
- Sanghyeon as Self - Contestant
- Kim Dong-yun as Self - Contestant
Guest cast
- Kim Jae-joong as Self - Master
- The8 as Self - 3rd Mission Planet Master
- San as 2nd Elimination Planet Master
- Baekho as Planet Master [3rd Elimination]
- Lee Dae-hwi as Planet Master [Final Mission]
- Ha Sung-woon as Planet Master [Final Mission]
Episodes
This series spans 1 season with 13 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 13 | July 17, 2025 | September 25, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
EP. 01 PLANET K – You See The Fire? The Fire Has Been Lit The trainees perform in front of their masters and are ranked according to a strict hierarchy: "All-Star", "Two Star" and "One Star". Participants who receive "No Star" are eliminated from the show. If participants disagree with the rating, they can take an "Extra-Test", which can either raise or lower their rating. |
July 17, 2025 |
| 2 |
EP. 01 PLANET C – You See The Fire? Burning Blood The trainees perform in front of their masters and are ranked according to a strict hierarchy: "All-Star", "Two Star" and "One Star". Participants who receive "No Star" are eliminated from the show. If participants disagree with the rating, they can take an "Extra-Test", which can either raise or lower their rating. |
July 18, 2025 |
| 3 |
EP. 02 PLANET K – Stronger Energy, Let's Go and Be Confident! Trainees are re-evaluated for their signal song performance skills and are ranked according to a strict hierarchy: "All-Star", "Two Star" and "One Star". Participants who receive "No Star" are eliminated from the show. In the second stage, for each class, the master's rating and the Star Creators' rating are added together to determine the final class. |
July 24, 2025 |
Production
Release
| Original network/platform | Mnet |
|---|---|
| First aired | July 17, 2025 |
| Last aired | September 25, 2025 |
| Runtime | 120 minutes |
| Status | ended |