- Affectionate Pickpocket: A variant - "Boone" bumps into O'Brien and then pretends not to recognize him so that Miles will identify himself, so the fake Boone can get a voice sample to open the weapons locker.
- Butt Monkey: O'Brien can't even go on vacation without becoming one.
- Call Back: The way O'Brien initially gets treated by the Cardassians (forcibly stripping off his clothes, then shining bright lights into his face) bears resemblance to the Cardassians torturing Picard in the TNG episode Chain of Command.
- Chekhov's Gun: All Cardassians have their first molar extracted at the age of 10 for identification purposes.
- Deliberate Values Dissonance: Kovat and O'Brien clash continually because of the major differences between the Federation and Cardassian justice systems, and the corresponding mindsets that come with each—in Cardassia, even an innocent wrongly put on trial would know what to expect (and would eventually capitulate), but O'Brien, raised in a society where "innocent until proven guilty" is the norm, cannot accept the fate that he seems to be heading toward, and is intent on fighting even if he can't win.
- Frame-Up: O'Brien is set up as smuggling weapons to the Maquis, in order to give the Cardassians justification to enter the DMZ and attack them.
- Hero of Another Story: The Enterprise is this for once, as TNG had already ended. They're deployed near the DMZ after O'Brien is arrested, as a show of Federation resolve.
- Kangaroo Court: The inane and insane Cardassian "legal" system in on full display here.
- Exhibit A: "You have the right to refuse to answer questions, but such refusal may be construed as a sign of guilt."
- Kill and Replace: The fate of the real Raymond Boone. Eight years ago.
- Large Ham: Conservator Kovat. He's more of a theater actor than a lawyer.
- Mysterious Informant: Bashir is told by an unknown Maquis agent that Boone is not one of them.
- Not Himself: "Boone" suddenly went from being a model Starfleet officer to a malcontent who was discharged for poor performance. He also left his wife, but she assumed the changes in his personality were due to being tortured by the Cardassians.
- Retirony: Kovat tells Odo that he's only a year to retirement, so he doesn't want this trial screwed up. After he in fact wins, Kovat fearfully says "They'll kill me..."
- Spot the Imposter: All the evidence against Boone is circumstantial, until it's revealed he's missing one of his molars.
- Springtime for Hitler: Kovat's job never was it to win the case for O'Brien. He then gets quite distraught when he actually does.
- Think of the Children!: Kovat says those four words at the beginning of one of his speeches.
Recap / Star Trek Deep Space Nine S 02 E 25 Tribunal
While trying to enjoy his vacation, O'Brien gets arrested by Cardassians. And thrust into their bizarre "legal" system.