Originally aired April 9, 2010
Written by John Chisholm
Directed by Tim Scanlan
Oliver is captured by Checkmate, who offers for him to join their ranks. Clark learns that Checkmate is looking for Watchtower.
Tropes present in the episode:
- Antagonist Title: The title of the episode refers to the Checkmate organization.
- Chess Motifs: Checkmate, naturally
- Clark Kenting: Tess dons a black wig after she's called by Checkmate to participate in a mission.
- Continuity Nod: Chloe mentions Sylvester's death.
- Cyanide Pill
- High-Altitude Interrogation: Clark applies this to Tess to find out what she knows about Checkmate.
- Internal Reveal: Tess finally finds out that Oliver is Green Arrow.
- Laser-Guided Amnesia: J'onn J'onzz executes this on Amanda Waller to keep the Justice League's identities safe from Checkmate.
- Shout-Out: Tess and Oliver discover each other's secret identity at a party that neither one wants to attend, just like another couple.
- Title Drop: Done courtesy of Tess Mercer
- Villain of the Week: Amanda Waller
