You will Watch Sonic X Episode 19 English Dubbed online for free episodes with HQ / high quality. Stream anime Sonic X Season 1 Episode 19 Sonic’s Scream Test/Scream Test Sonic and co. go to visit Linsey at a creepy old castle, where she is filming a movie with her in the lead role. As the camera man is filming he bumps into a strange artifact standing on a pedestal. When he moves it, Sonic, who is exploring an ancient underground basement area, starts to see purple light fill the room. Chris and the animals check out the area that Sonic is in and the encounter a bunch of ghosts, led by King Boom Boo, who are trapping everyone in a forcefield.