In its final season, 'Titans' gave viewers a sense of the DC multiverse with cameos from 'Stargirl,' 'Swamp Thing,' 'Doom Patrol,' and more. Beast Boy actor Ryan Potter tells us how they did it.
Stargirl Season 4 Would Crossed Over With Titans For a Major Multiverse Story cbr.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cbr.com Daily Mail and Mail on Sunday newspapers.