'Arrow' season 6 episode 6 synopsis: "Promises Kept"

Original air date of episode is November 16, 2017.

Overview of episode:
Slade and Oliver continue to try and persuade Joe to leave with them, but Joe refuses, claiming that he had seen his father kill someone before he had been influenced by Mirakuru. Slade tries to explain that it was a paid hit, but Joe refuses to forgive him, stating that learning who his father truly was led him down this path. Joe and Slade end up fighting until Oliver steps in, after which Joe escapes. Slade tells Oliver he will continue to try and find his son, but advises Oliver that he go back to his, not wanting Oliver to make the same mistakes he made. Meanwhile, Team Arrow eventually finds out about John's tremors, leading John to apologize to everyone. Curtis offers to help John, the same way he helped Felicity when she was injured. John asks to have the night to think it over.