Operación triunfo: Season 4 - 16 Episode s
4x1 - Episode 1
June 30, 2005
4x2 - Episode 2
July 7, 2005
4x3 - Episode 3
July 14, 2005
4x4 - Episode 4
July 21, 2005
4x5 - Episode 5
July 28, 2005
4x6 - Episode 6
August 4, 2005
4x7 - Episode 7
August 11, 2005
4x8 - Episode 8
August 18, 2005
4x9 - Episode 9
August 24, 2005
4x10 - Episode 10
September 1, 2005
4x11 - Episode 11
September 8, 2005
4x12 - Episode 12
September 15, 2005
4x13 - Episode 13
September 22, 2005
4x14 - Episode 14
September 29, 2005
4x15 - Episode 15
October 14, 2005
4x16 - Episode 16
October 27, 2005
Operación triunfo: All seasons
S1: Season 1
18 Episode s
S2: Season 2
18 Episode s
S3: Season 3
16 Episode s
S4: Season 4
16 Episode s
S5: Season 5
17 Episode s
S6: Season 6
16 Episode s
S7: Season 7
14 Episode s
S8: Season 8
6 Episode s
S9: Season 9
19 Episode s
S10: Season 10
16 Episode s
S11: Season 11
14 Episode s
S12: Season 12
81 Episode s