[s4e13] The Joining: Part 2 Info

The episode ends with Batman joining J'onn on the Watchtower space station, where he meets other heroes: Green Lantern, The Flash, Hawkman, and Green Arrow .

" The Joining: Part 2 " is the season finale of The Batman (2004) Season 4, originally airing on May 5, 2007. The episode concludes the high-stakes alien invasion arc and marks Batman's official transition from a solo vigilante to a member of the Justice League. [S4E13] The Joining: Part 2

Batman and J'onn attempt to infiltrate Wayne Industries to use its satellites to disrupt the Joining's signal. The episode ends with Batman joining J'onn on

The sound of the Joining's weaponry is an homage to the 1953 film War of the Worlds . originally airing on May 5