The Arrowverse was a huge hit for The CW, but one show in particular managed to completely destroy the fourth wall to the point that they had fans appearing in the series. From 2012, the Arrowverse raised the bar for what was possible in a shared TV universe. And to this day, it remains one of the very best adaptations of the DC Comics universe of all time.
The CW’s 7-Part Sci-Fi Series Broke The Fourth Wall So Often, Fans Appeared On The Show