Series finale. On Monday, June 24th, 2019, series creator and executive producer Rick Remender announced on Twitter that the show would not be returning on another network after Syfys abrupt cancellation of the program earlier that month. He expressed gratitude to the fans, saying their passion "soothed the sting."
The only episode of the series that does not contain an animated flashback sequence.
At exactly 1:38 the song "London Dungeon" by The Misfits begins. The number 138 has long been associated with Glenn Danzig and The Misfits.
The title is taken from the song "Sink with California" by Youth Brigade.
This episode takes place in 1987.