Take a shot:
- Every time someone says Supergirl or Superman (or Guardian for Season 2)
- Every time an alien race/ planet is mentioned (double for Krypton)
- Every time someone demonstrates an alien power
- Every time someone is secretly revealed to be an alien
- Every time someone's alien name is mentioned
- Every time someone mentions the DEO or Catco
- Whenever you hear the name "Luthor"
- Every time there's Girl Power (ie- Supergirl or another woman kicking butt)
- Every time J'onn gets subjected to The Worf Effect
- Every time Kara, Nia, or Winn makes a Shout-Out
- Take two if it's someone else doing the Shout-Out
