Zack Allen joins in the ongoing search for Mr. Garibaldi, still missing in the wake of the Z'ha'dum explosion. Meanwhile, Ivanova and Marcus seek out additional First Ones to help them in the war against the Shadows. And G'Kar, reeling from torture at the hands of Centauri Emperor Cartagia (Wortham Krimmer), reluctantly takes advice from Londo. J. Michael Straczynski's teleplay ends with a long-awaited revelation. "The Summoning" first aired during the week of November 18, 1996. ~ Hal Erickson, Rovi