drama series; serial drama
Abbreviation of 連続ドラマ. Common in TV and streaming contexts, especially for Japanese television dramas that air weekly.
See also: 連続ドラマ
Which of this season's drama series is the most interesting?
She is busy filming a drama series.
Abbreviation of 連続ドラマ (continuous drama). The first character 連 is taken from 連続, combined with the katakana ドラ from ドラマ.