Adult Swim is notoriously Adult Swim celebrates this year's April Fool's by running a new FLCL episode months ahead of schedule. Filed to: TV Filed to: TV. TV. A cultural festival like no other, the Adult Swim Festival will feature all things Adult Swim. The inaugural event does down October th in Downtown Los Angeles. Here's Adult Swim’s on-air, simulcast, and Live Stream schedules. You now have no excuse.