Top 10 highest single-episode ratings ranking for dramas in 2013 (Oricon)

1) Hanzawa Naoki Last Episode (TBS) - 42.2%

2) Gochisousan Ep 15 (NHK) - 27.3%

3) Ama-chan Ep 145 (NHK) - 27.0%

4) Doctor X ~ Gekkai Daimon Michiko ~ Last Episode (TV Asahi) - 26.9%

5) 24 Jikan Terebi SP - Kyou no hi wa sayounara (NTV)  - 23.4%

6) Galileo Ep 1 (FujiTV) - 22.6%

7) DOCTORS 2 Last Episode (TV Asahi) - 21.7%

8) Yae no Sakura Ep 1 (NHK) - 21.4%

9) Legal High Ep 1 (FujiTV) - 21.2%

10) Aibou Season 11 Last Episode (TV Asahi) - 20.7%

Source: Oricon