The Wednesday Showcase (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 wednesday, typically starting around 8:30 PM. We're currently tracking 5 upcoming dates, the next on Wednesday, July 29. Ticket links are on each date below. We've listed 13 dates for this series so far. This page collects every date in one place, so you can see the full The Wednesday Showcase (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.