if you have any interest for anime culture, you should watch it, the 1995 series is only 26 episodes, then there´s Evangelion: Death & Rebirth (1997) a two part movie, the first part is a remake of the episodes 1 to 24 and the second is a teaser of the true ending and The End of Evangelion (1997) that is the 25 and 26 episode that change completly the ending of the series showing the point of view of the world. Theeeeen we have the reimagination of the story with 4 more movies:
Evangelion: 1.0 You Are (Not) Alone (2007)
Evangelion: 2.0 You Can (Not) Advance (2009)
Evangelion: 3.0 You Can (Not) Redo (2012)
Evangelion: 3.0+1.0 Thrice Upon a Time (2021)