Series Creator Greg Weisman states what he considers canon to the Gargoyles mythos below.

As far as I'm concerned the only true canon is the 66 episodes of the series running from [Gargoyles Episode #1] "Awakening, Part One" through [Gargoyles #66 / Gargoyles: The Goliath Chronicles Episode #1] "The Journey". As many of you know, I don't like to consider the other twelve episodes of Gargoyles: The Goliath Chronicles to be canon, let alone whatever other stories got published by Marvel Comics or Disney Adventures Digest and so on.

Since he writes the series, Weisman also considers the Slave Labor Graphics Gargoyles comic title to be canon.

Below, Weisman expands further on non-canon Gargoyles: The Goliath Chronicles animated series.

I wrote and story edited one episode [of Gargoyles: The Goliath Chronicles], the first one, "The Journey". Otherwise, I was not involved. I was paid as a creative consultant, but I asked Disney to remove my consultant credit from the end credits of the last twelve episodes, because I felt I hadn't earned it. Eric Lewald, Jay Fukuto and Kim Christianson consulted me a bit on those episodes, but not much. They followed some of my negative recommendations, that is they chose not do some things that I recommended against, but they rarely did any of the things I suggested that they should do. So I felt I had made no positive contribution to the show that would appear on screen. Thus I felt I didn't deserve screen credit. So if you're looking for my credit on The Goliath Chronicles, look fast at the end of "The Journey" and then forget about it.

As to the "story"... well, I think I've answered this, but maybe not here.

Basically, it's a decision I regret, but at the time it made sense. Disney offered me the opportunity to story edit the thirteen The Goliath Chronicles episodes they were doing. I agreed to do one, while we worked out the details. But we never could work out those pesky details. It was not about money. We never got that far in the conversation, and they met my fee for "The Journey", so I don't think that would have been a problem. The problems were creative control and resources. Disney didn't offer me the opportunity to produce The Goliath Chronicles. They were, in essence, asking me to take a demotion. Also, at the time, they were going to pre-produce the show at DIC and refused to guarantee me any creative approvals over DIC's work. They also presented me with an impossible schedule. (The first script was due before they made the offer to me. I'm not kidding.) I felt like they were asking me to preside over the demise of the show. So I passed.

Then after I passed, things changed. They switched from DIC to Nelvana. They gave new Producer Scott Thomas all the approvals that they wouldn't guarantee to me. They gave new Story Editor Eric Lewald a schedule that was much more realistic. I felt, well, screwed.

But even so, I shouldn't have passed. I missed out on the opportunity to tell twelve more of my stories. To let the series go out on a note of my choosing as opposed to someone else's. Eric's a very good guy, but Gargoyles was my baby, and I should not have abandoned it. Live and learn.

Continue to the More section for further details on both the creation of Gargoyles and the characters who inhabit the world of this amazing animated series.