The Secret Show (Free Show) ft. Room 808 Showcase, Room 808 Showcase is a recurring event at Room 808 in Petworth, a theatre & comedy in Washington DC. It runs every thursday, typically starting around 8:30 PM. We're currently tracking 5 upcoming dates, the next on Thursday, July 30. Ticket links are on each date below. We've listed 12 dates for this series so far. This page collects every date in one place, so you can see the full The Secret Show (Free Show) ft. Room 808 Showcase, Room 808 Showcase schedule instead of checking individual listings. Dates, times and ticket links are pulled from Room 808 and refreshed several times a day.