Brian died November 24th 2013, in the 6th episode of Season 12 | Life of Brian.
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In the 8th episode Christmas Guy that aired on December 15th 2013, Stewie altered the time line and Brian was never hit & killed by the car, thus returning to the show.
Brian the Bachelor
Brian Griffin
A Woody
Brian
Brian is in every episode
No one. Nothing like this happened on Family Guy. The only thing you could be referring to was in 2009, Brian was named Stoner of the Year by High Times magazine but obviously that has nothing to with Family Guy.
Brian the Bachelor
Brian Griffin
No.
Brian Does Hollywood
Brian the Bachelor
A Woody
Brian the Bachelor (Season 4)
Brian has a liberal political philosophy
Brian: Portrait of a Dog
Brian & Stewie's Emmy appearance & performance wasn't part of any Family Guy episode.
Family Guy