Beast Boy Travels the Multiverse (The Flash, Stargirl, Doom Patrol Cameos) - Titans 4x09 (HD) References and Cameos: - CW's The Flash - Stargirl - Swamp Thing - Shazam - Grant Morrison - Teen Titans GO! - Harley Quinn: The Animated Series - Smallville - Superman 1978 - Batman 1966 - Doom Patrol
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