Episode 22: Z'ha'dum -

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

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

The episode ends on a massive cliffhanger that left fans reeling for months: Just before the explosion, Sheridan follows the advice

: During the chaos, Chief of Security Michael Garibaldi disappears, his starfury intercepted by a Shadow vessel. The episode ends on a massive cliffhanger that

"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.