Jordan Moreau The final half of “Invincible” is nearly here, and Prime Video has released the first trailer for the bloody finale to Season 2. Season 2 Part 2, which consists of four episodes, begins streaming on Prime Video on March 14 and will release each episode weekly. Part 1 released back in November and ended on several cliffhangers, with Invincible, aka Mark Grayson, bumping into his father Omni-Man, who tried to kill him in the Season 1 finale, on an alien planet.