Z'ha'dum: Episode 22:

"Z'Ha'Dum" is often cited by fans on sites like TV Tropes and The Lurker's Guide to Babylon 5 as a masterclass in serialized storytelling, effectively raising the stakes and forever changing the course of the Great War.

The episode centers on Captain John Sheridan’s fateful decision to travel to , the home world of the ancient and malevolent Shadows. He is lured there by his wife, Anna Sheridan, who was previously believed to have died years earlier in the Icarus expedition. Episode 22: Z'Ha'Dum

Sheridan ultimately rejects the Shadows' offer, realizing it is a trap designed to break the alliance he has built. In a desperate move to strike a blow against his enemies, he uses a remote command to bring his starship, the White Star , crashing into the Shadows' underground capital city. The ship is armed with two massive nuclear devices, which detonate upon impact. "Z'Ha'Dum" is often cited by fans on sites

" Z'Ha'Dum " is the legendary season three finale of the science fiction series Babylon 5 , first airing in 1996. It is widely considered one of the most pivotal episodes in the show's five-year narrative arc, bringing several long-simmering plotlines to a dramatic and explosive climax. Sheridan ultimately rejects the Shadows' offer, realizing it

: While the Shadows' capital is devastated, the cost to the Babylon 5 crew is immense, setting a dark and uncertain tone for the beginning of season four.

Just before the explosion, Sheridan follows the advice of the enigmatic Kosh and leaps into a miles-deep abyss, seemingly choosing death over capture.