Dongjae, the Good or the Bastard (Korean: 좋거나 나쁜 동재) is a 2024 South Korean crime thriller legal drama television series created by Lee Soo-yeon [ko], co-written by Hwang Ha-jung and Kim Sang-won, directed by Park Gun-ho, and starring Lee Joon-hyuk and Park Sung-woong.

The series is a spin-off of the Korean drama Stranger by Lee S. and revolves around the life of Seo Dong-jae as a prosecutor.

Dongjae, the Good or the Bastard was invited as one of the six drama series in the On Screen section of the 29th Busan International Film Festival.

In February 2023, Lee Joon-hyuk was cast to reprise his role but this time as the main character.

[10] Studio Dragon confirmed the spin-off series production under the working title Good or Bad Dong-jae, with principal photography to began in May 2023, and writer Lee Soo-yeon [ko], who wrote both first and second seasons of Stranger (2017–2020), participated as the creator.