Season 1

E1. Episode 1 - Shim Soo Bong

Jun 4, 2011 · 90m

Cast: IU, Yesung (Super Junior), Lee Changmin (2AM), Yang Yoseob (B2ST), Hyolyn (Sistar), Jonghyun (SHINee)

E2. Episode 2 - Boohwal (1)

Jun 11, 2011 · 90m

Cast: Yesung (Super Junior), Lee Changmin (2AM), Yang Yoseob (B2ST), Hyolyn (Sistar), Jonghyun (SHINee), Jieun (Secret)

E3. Episode 3 - Boohwal (2)

Jun 18, 2011 · 90m

E4. Episode 4 - 1992 Pop Music Top 10

Jun 25, 2011 · 90m

Cast: Jun. K (2PM), Lee Hongki (FTIsland), G.O. (MBLAQ), Lee Changmin (2AM), Hyolyn (Sistar), Jieun (Secret)

E5. Episode 5 - Min Hae Kyung

Jul 2, 2011 · 90m

E6. Episode 6 - Ju Hyun Mi (1)

Jul 9, 2011 · 90m

Cast: Jun. K (2PM), Lee Young Hyun (Big Mama), Lee Hongki (FTIsland), Kim Heechul (Super Junior), G.O (MBLAQ), Lim Jeong Hee, Lee Changmin (2AM), Lee Hyun (8Eight), Hyolyn (Sistar), Jeon Jiyoon (4Minute), Lee Sae Jun (Yurisangja)

E7. Episode 7 - Ju Hyun Mi (2)

Jul 16, 2011 · 90m

Cast: Jun. K (2PM), Lee Hongki (FTIsland), G.O (MBLAQ), Changmin (2AM), Hyorin (Sistar), Jeon Jiyoon (4Minute), Choi Jong Hun (FTIsland), Lee Jae Jin (FTIsland), Choi Min Hwan (FTIsland), Song Seung Hyun (FTIsland)

E8. Episode 8 - Male Vocalists Special

Jul 23, 2011 · 90m

Cast: Kim Taewoo (g.o.d), Wheesung, Hwanhee (Fly to the Sky), Lee Jung (7 Dayz), K. Will, Lee Seok Hun (SG Wannabe), Lee Hyuk (Norazo), Kim Tae Kyung

E9. Episode 9 - Shin Seung Hoon

Jul 30, 2011 · 90m

Cast: Lyn, Lim Jeong Hee, Seo In Young (Jewelry), Lee Hae Ri (Davichi), Dana (The Grace), Choi Jin Yi (Rumble Fish), Jang Hee Young

E10. Episode 10 - Original Idols

Aug 6, 2011 · 90m

Cast: Son Ho Young (g.o.d), Cho Kyuhyun (Super Junior), Moon Hee Jun (H.O.T), Jay Park, Kan Mi Yeon (Baby VOX), G.O (MBLAQ), DJ Koo (Clon), Jeon Jiyoon (4Minute), Hyolyn (Sistar), Huh Gak, DJ DOC, Hong Jong Koo (Noise)

E11. Episode 11 - Kim Soo Hee

Aug 13, 2011 · 90m

Cast: Jay Park, Hyolyn (Sistar), Cho Kyuhyun (Super Junior), Jeon Jiyoon (4minute), G.O (MBLAQ), Huh Gak, Kim Soo Hee

E12. Episode 12 - Actors Special

Aug 20, 2011 · 90m

Cast: Jay Park, Hyolyn (Sistar), Kyuhyun (Super Junior), G.O (MBLAQ), Jo Yeo Jung, Hyunwoo, Kim Soo Ro, Huh Gak, Lee Shi Young, Jeon Ji Yoon (4minute), Gong Hyung Jin

E13. Episode 13 - Kim Wan Sun

Aug 27, 2011 · 90m

Cast: Jay Park, Hyolyn (Sistar), Kyuhyun (Super Junior), Jungmo (TRAX), Jeon Ji Yoon (4Minute), G.O (MBLAQ), Huh Gak

E14. Episode 14 - Ballad vs Dance

Sep 3, 2011 · 90m

Cast: Jay Park, Hyolyn (Sistar), Kyuhyun (Super Junior), Jeon Ji Yoon (4minute), G.O (MBLAQ), Huh Gak

E15. Episode 15 - Nam Jin

Sep 10, 2011 · 90m

E16. Episode 16 - 70/80 Big Match (1)

Sep 17, 2011 · 90m

Cast: Lee Hyuk (Norazo), Lee Jung, Lim Jeong Hee, Ali, Lee Ki Chan, Lee Hae Ri (Davichi), Jang Hee Young, Seo In Young, Lee Seok Hun (SG Wannabe), Joo Hee, Hong Kyung Min, Im Tae Kyung, Ko Yu Jin, Shin Yong Jae

E17. Episode 17 - 70/80 Big Match (2)

Sep 24, 2011 · 90m

E18. Episode 18 - Kim Huigap & Yang Inja

Oct 1, 2011 · 90m

Cast: Woohyun (Infinite), Raina (After School), Kang Min Kyung (Davichi), Shin Yong Jae (4men), Huh Gak, Ali & Min Kyung Hoon (Buzz)

E19. Episode 19 - Kim Hyung Seok

Oct 8, 2011 · 90m

E20. Episode 20 - Kim Kwang Seok

Oct 15, 2011 · 90m

E21. Episode 21 - Jeon Young Rok

Oct 22, 2011 · 90m

E22. Episode 22 - Songolmae

Oct 29, 2011 · 90m

Cast: Lee Hongki (FTIsland), Woohyun (Infinite), Kang Min Kyung (Davichi), Shin Yong Jae (4men), Ali & Lim Jeong Hee

E23. Episode 23 - Hye Euni

Nov 5, 2011 · 90m

Cast: Woohyun (Infinite), Kang Min Kyung (Davichi), Shin Yong Jae (4men), Ali, Lim Jeong Hee & Hong Kyung Min

E24. Episode 24 - Kim Hyunsik

Nov 12, 2011 · 90m

E25. Episode 25 - King of Kings Special

Nov 19, 2011 · 90m

Cast: Hyorin (Sistar), Lee Hongki (FTIsland), G.O. (MBLAQ), Kang Min Kyung (Davichi), Jay Park, Ali & Huh Gak

E26. Episode 26 - Lee Kwangjo

Nov 26, 2011 · 90m

Cast: Lee Hae Ri (Davichi), Brian Joo (Fly to the Sky), Lee Seok Hun (SG Wannabe), K. Will, Shin Yong Jae (4men), Ali & Huh Gak

E27. Episode 27 - Choi Baekho

Dec 3, 2011 · 90m

E28. Episode 28 - 70/80 OST Special

Dec 10, 2011 · 90m

Cast: Jungmo (Trax), Jay Kim (Trax), Lee Hae Ri (Davichi), Brian Joo (Fly to the Sky), Lee Suk Hoon (SG Wannabe), Shin Yong Jae (4men), Ali & K.Will

E29. Episode 29 - Jeong Hunhui & Kim Taehwa

Dec 17, 2011 · 90m

Cast: Lee Hae Ri (Davichi), Brian Joo (Fly to the Sky), Lee Seok Hoon (SG Wannabe), Shin Yong Jae (4men), Ali, K.Will & Huh Gak

E30. Episode 30 - Christmas Special

Dec 24, 2011 · 90m

Cast: Nicole (Kara), Kang Ji Young (Kara), Han Seung Yeon (Kara), Simon D (Supreme Team), Son Ho Young (G.O.D), Gilme (Clover), Eun Ji Won (Sechs Kies, Clover), Choiza (Dynamic Duo), Gaeko (Dynamic Duo) & Na Yoon Kwon