Triangle - Season 1
1 - Who killed the girl?
Air Date: January 6, 2009
The series starts with the murder of a 10-year-old girl in 1984. 15 years later, after the case goes unsolved and passes the statute of limitations, a doctor named Goda Ryoji suddenly quits from his hospital and eventually becomes a detective.
2 - Letter from the past
Air Date: January 13, 2009
3 - The suspect
Air Date: January 20, 2009
4 - Shocking confession
Air Date: January 27, 2009
5 - The obliterated truth
Air Date: February 3, 2009
6 - The remorseful killer
Air Date: February 10, 2009
7 - Shanghai night, the bond that tears
Air Date: February 17, 2009
8 - Alibi
Air Date: February 24, 2009
9 - The other side of truth
Air Date: March 3, 2009
10 - Those who bear the cross
Air Date: March 10, 2009
11 - Final
Air Date: March 17, 2009