Season 1

1. Department of Police Administration, Dongguk University

2022-11-11 · 19m

2. Department of Thai at Hankuk University of Foreign Studies

2022-11-18 · 18m

3. Department of Broadcasting and Entertainment, Induk University

2022-11-25 · 21m

4. Department of Veterinary Medicine, Konkuk University

2022-12-02 · 18m

5. Department of Psychology, Catholic University

2022-12-09 · 18m

6. Department of Physical Therapy, Samyuk University

2022-12-16 · 20m

7. Department of Air Service, Bucheon University

2022-12-23 · 18m

8. Department of E-sports, Osan University

2022-12-30 · 20m

9. Department of Physical Education, YongIn University

2023-01-06 · 23m

10. Department of Practical Music and MT Part 1

2023-01-13 · 20m

11. Department of Practical Music and MT Part 2

2023-01-20 · 25m

12. Seoul National University's Broadcasting Club

2023-02-16 · 20m

Changsub is joined by Key (from SHINee) as he reviews Seoul National University's Broadcasting Club during winter vacation.

13. Korea University's Cheerleading Club

2023-02-23 · 19m

14. Dankook University's Stock Club

2023-03-02 · 20m

15. Chung Ang University's Theater Club

2023-03-09 · 20m

16. Department of Business Administration, Yonsei University

2023-03-23 · 19m

It's the start of the first semester and Jeongwaja returns to change majors again! Lee Changsub goes to the Department of Business Administration, the largest number of departments in Korea. From marketing classes, which are the foundation of business administration, to how to be flattered at work?

17. Department of Mechanical Engineering, Busan University

2023-03-30 · 23m

To go to the same school as Yim Siwan, Jeongwaja commutes for 10 hours! Lee Changsub learns Mechanical Engineering with a special lecture on real Busan dialect from the local and fundamentals of machine that is easily(?) learned with Legos and robots.

18. Department of Physics, Kyung Hee University

2023-04-06 · 21m

Lee Changsub takes physics class, which is known to be a class that only real fans of science take! Starting with Interstellar's quantum mechanics and even an experiment that can win the Nobel Prize(?), Ant-Man, Doctor Strange...is it possible in real life?

19. Department of Beauty Art, Seokyeong Unviersity

2023-04-13 · 21m

From shampooing to drying and cutting, Lee Changsub goes to the Division of Beauty Art and experiences a full course at a hair salon by majoring in Hair Design!

20. Department of Architecture, Soongsil University

2023-04-24 · 25m

Lee Changsub takes a class in the Department of Architecture that says staying up all night is basic! Taking a class at a construction site blowing cement powder and a design class where the professor buys chicken, Jeongwaja finally finds his talent?

21. Department of Media Communication, Sungkyunkwan University

2023-04-27 · 27m

From storytelling to nonverbal communication method, Lee Changsub learns everything by visiting Media Communication, a popular liberal arts department! With a surprise appearance of colleagues at work, Jeongwaja goes back to his main job?

22. Department of Companion Animal Health, Yeonsung University

2023-05-04 · 21m

Lee Changsub goes to the Department of Companion Animal Health where he took classes with Shiba (not swearing)! From making pet food that even people covet to pet training tips that surpass Kang Hyung-wook, how will Jeongwaja (aka Guri's daddy)'s adaptation period to the Department of Companion Animal Health be?

23. Department of Nursing, Ajou University

2023-05-11 · 24m

From the mystery of the birth of life to urgent real emergency room case practice, Lee Changsub learns in Ajou University's Department of Nursing! How does one respond to an emergency room patient? Jeongwaja shows us how!

24. Department of Fashion Design, Hansung University

2023-05-25 · 21m

Jeongwaja goes to Hansung University's Department of Fashion Design to become a fashion leader of the new generation! Lee Changsub tries to make clothes himself and even does the fitting! Let's check his fashion sense!

25. Department of Hotel Culinary Arts, Korea Hotel & Tourism Technical College

2023-06-01 · 23m

Lee Changsub goes to the Department of Hotel Culinary Arts and tastes heavenly food! A Jeongwaja who receives a special secret from Professor Lee Yeon-bok and Professor Jung Ho-young is reborn as a Cooking Master Boy, in one day?

26. Military Academy #3

2023-06-08 · 27m

"Jeongwaja has been ordered to be re-enlisted..!🪖” Jeongwaja ended up re-enlisting in the army to carry out the promise he made for reaching the 🔥500k subscribers🔥 milestone

27. Hanyang University Division of Materials Science and Engineering

2023-06-15 · 25m

28. Department of Urban Administration, University of Seoul

2023-06-22 · 21m

29. Division of Navigation Science, Korea Maritime and Ocean University

2023-06-29 · 25m

30. Department of Early Childhood Education, Kyungin Women's University

2023-07-06 · 24m

31. University Work Program for Rural Areas, Kookmin University

2023-07-13 · 22m

32. The reason they give up math? (feat. People who give up math) [Sogang University Math Department]

2023-09-21 · 30m

33. South Korea's Top Fine Arts College [Hongik University Department of Painting]

2023-09-25 · 25m

34. A degree worth a shot [Kyunghee University Korean Medicine Department]

2023-09-28 · 24m

35. Never lose an argument again [Philosophy, Korea University]

2023-10-05 · 26m

36. Major packed with horses [Univ of Agriculture&Fisheries Horse Industry Major]

2023-10-19 · 25m

37. A Must-Visit Course Before the Air Force [Hanseo University Helicopter Operations]

2023-10-26 · 29m

38. Re-enrollment, Let's go to Howon University Department of Practical Music

2023-11-02 · 25m

39. Top level universities worldwide (feat.1million subscriber pledge) [Overseas Univ]

2023-11-09 · 25m

40. Korean Studies without Koreans [The University of Hong Kong, Korean Studies]

2023-11-16 · 26m

41. Finally, Jeongwaja in court [Kookmin College of Law]

2023-11-23 · 26m

42. Reservation Tips from future hoteliers [Sejong Univ. Hotel and Tourism Management]

2023-11-30 · 25m

43. Ways to put out the fire from firefighter [Fire and Safe Management at Kyungmin Univ]

2023-12-07 · 28m

44. The Top-tier level in Engineering, KAIST [KAIST Aerospace Engineering]

2023-12-14 · 29m

45. Professor Shares A Hangover Remedy [Inha University Department of Biotechnology]

2023-12-28 · 28m

46. Hanyang University ERICA Department of Dance and Arts

2024-01-04 · 22m

47. Professor, do you really not notice people ducking out?

2024-01-11 · 34m

48. MZ Orientations (OT) nowadays;; [Ajou University Department of Pharmacy]

2024-03-28 · 26m

49. Broke the Microphone at the Vocal Department [Hanyang University Vocal Music Dept]

2024-04-04 · 37m

50. What color do you like? [Chung-Ang University Department of Political Science]

2024-04-11 · 25m

51. I'm an Ewha University Boy [Ewha Womans University Department of Ceramic Arts]

2024-04-18 · 31m

52. Department for nuclear-level geniuses only [SNU Department of Nuclear Engineering]

2024-04-25 · 29m

53. Jeongwaja goes to a prestigious university in Japan [Osaka University]

2024-05-02 · 29m

54. Working part-time in Japan and setting people up together [Part-time/USJ]

2024-05-09 · 31m

55. Department that eats airline food for lunch [KAU Department of Drones]

2024-05-16 · 30m

56. Teacher, how are babies made? [Seoul Nat'l University of Education]

2024-05-23 · 30m

57. Department where they become Webtoon writer [Yonsung Univ. Webtoon Contents Dept.]

2024-05-30 · 27m

58. Mom VS Girlfriend drowning in water, what's your choice? [PKNU Marine Sports Dept]

2024-06-06 · 31m

Pukyung National University Marine Sports Department

59. How to choose the toothpaste according to the Department of DH [Gachon Univ. DH Dept]

2024-06-13 · 25m

Gachon University Dental Hygiene Department

60. #1 University that Jeongwaja should avoid [Police University]

2024-06-20 · 33m

61. The military train will be departing[Woosong Univ. Dept of Railway Vehicle System]

2024-06-27 · 30m

Woosong University’s Railway Logistics College

62. Finally Re-re-enlisting in the Military [Air Force Academy]

2024-07-04 · 38m

63. It's Not Over Until It's Over [Incheon Nat'l University Summer Semester]

2024-07-11 · 30m

64. Which Department Reigns Supreme in Korea? [Union MT Part 1]

2024-08-22 · 39m

65. Which University is the Best in Korea? [Union MT Part 2]

2024-08-29 · 33m

66. Jeongwaja Acting? Surprised, Right? [Kyung Hee University Theater and Film Department]

2024-09-26 · 37m

67. The department where "Shi-X" means "sorry" [HUFS Arabic Department]

2024-10-03 · 34m

68. Bread Unnie, Kim Yeon-koung, is a freshman here at [KNOU Department of Sports for All]

2024-10-10 · 34m

69. Most Heartbreaking Fairy Tale [Danguk University Creative Writing Department]

2024-10-17 · 29m

70. POSTECH vs KAIST Showdown Stories [POSTECH Computer Science Department]

2024-10-24 · 30m

71. Legendary ER Stories Unveiled [Eulji University Paramedic Department]

2024-11-07 · 35m

72. The Day Before the CSAT [SeoulTech Visual Communication Design Department]

2024-11-14 · 27m

73. Get service at a mala tang restaurant [Myongji Chinese Language and Literature]

2024-11-21 · 25m

74. Perfect shot tips from Modeling Dept. [Seokyeong Univ's Modeling & Acting Major]

2024-11-28 · 28m

75. How Much Do Music Students' Instruments Cost? [Chugye University for the Arts]

2024-12-05 · 36m

76. The Truth About Jeju Uni's Tangerine Packaging Department [Tourism Management]

2024-12-12 · 31m

77. Why take medicine 30 minutes after a meal? [AJOU UNIVERSITY College of Pharmacy]

2024-12-19 · 29m

78. Came to build a ship [MNU Naval Architecture And Ocean Engineering]

2024-12-26 · 29m

79. How to get 1 million won a year [Chung-Ang University Social Welfare Department]

2025-01-05 · 26m

80. Dentist Tips from a Dental Student [SNU Graduate School of Dentistry]

2025-01-08 · 26m

81. Episode 81

82. Episode 82

83. Episode 83