"She is not your friend. She is my apprentice."
—Slade (to Beast Boy)
Terra is finally adjusting to being a Titan and the team has accepted her wholeheartedly. Beginning to develop feelings for her, Beast Boy asks Terra out on a date, and she accepts, much to his elation- but everything's not as perfect as it seems. Slade crashes their date and unveils that Terra has been hiding her true allegiance all this time...
- Becoming the Mask: Terra carries out her plan to assassinate the Titans but has grown attached enough to Beast Boy to get him out of the Tower before the plan goes down.
Slade: (to Beast Boy) I guess she took pity on you. Perhaps she wanted to keep you as a pet.
- Break Them by Talking: Slade does this to Terra and Beast Boy simultaneously.
- Death Glare: Terra sends an absolutely bone-chilling one in Beast Boy's direction as she and Slade take their leave from the carnival.
- Downer Ending: Ends with the Titans alone in the half-destroyed tower, crushed over the fact that Terra sold them all out to Slade. And one of the last shots in the episode is a shot of Beast Boy in dog form curled up around the heart box he gave Terra.
- Hall of Mirrors: The episode's climax takes place in one.
- Heel Face Door Slam:
Terra: You said you'd be my friend, no matter what, remember?
Beast Boy: Slade was right - you don't have any friends.
- The Mole: Terra has been working for Slade.
- Mood Whiplash: For a while the episode switches back and forth between lovestruck Beast Boy and Terra on their date and the rest of the Titans fending off about 200 of Slade's robots at Titans Tower.
- Sixth Ranger Traitor: Take a wild guess.
- Stock Episode Titles
- Subtext: Slade almost seems to get jealous of Beast Boy when he and Terra are on their date ("You think you know her. You know nothing. She never even liked you!"). Also when Beast Boy asks why Terra betrayed them, Slade gives us this:
- Was It All a Lie?:
Beast Boy: (to Terra) So it was all a game? You were just pretending?!