is the penultimate episode of Archer 's fourth season (S4E12), serving as the first half of a high-stakes season finale. It originally aired on April 4, 2013 , and features the ISIS team embarking on a mission deep into the Bermuda Triangle .
Watch these reaction and promotional clips to get a better sense of the episode's tone and character dynamics: Archer 4x12 Promo "Sea Tunt: Part I" (HD) YouTube · televisionpromos [S4E12] Sea Tunt (1)