Babylon 5's fifth season didn't feature Claudia Christian, which impacted the overarching plot of that season in some big ways. Babylon 5 had a firm five-season-long storyline that was planned in ...
Walter Koenig was slated to appear again in the Babylon 5 spin-off, Crusade, but the show was canceled before it could happen, which is a shame, as given how far he fell by the end of the show ...