So, did Londo know what Vir wanted or how exactly did this come about(it does sound like a Centauri-type execution)?

Some incredible writing and direction here. I can hardly believe how good this episode was. It threw me for a loop, since I was really expecting the Shadow War to last almost all season. But I really liked the way they wound it up.

Tolkien references abound in the Sheridan/Delenn talk at the end. . . .

You know you got to assume that Londo had Vir in mind when he killed Morden. Too bad though we dont see the head

3 billion on centauri prime is an awfully small population for an advanced civilization. Theres more than double that on earth today. i suppose they must cart off all the poor to mining colonies!

Or the middle and upper class people live off planet trading, exploring, etc etc.
Its also said IIRC they are an empire in obviously decline. Usually a sign of that is a falling birth rate. The same thing happened to Rome,

Also, do we ever get a good look at Centauri Prime from orbit? If so, is there a lot of land, or is there even more ocean than on Earth? A shortage of land might explain the low population.

You know you got to assume that Londo had Vir in mind when he killed Morden. Too bad though we dont see the head

You do see the head, from the back at least (on the DVD version), was it not broadcast on the TV version?

I racall it in the broadcast version.

They showed the back of the head in the very upper right corner, obscured in..... shadows. You could tell what it was but not make out any detail.

Something that I noticed when seeing the shadow vessels and the Vorlon vessels departing was that the Vorlons use jumpgate technology while the shadows seem to use the Jem Hader shroud technology... Yet, I thought there was an episode or two which showed the shadow vessels using jumpgate or jump point technology when Keffer first sees a shadow vessel.

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Another thing I noticed is that while the younger races must now stand on their own, the humans and the minbari have an advantage over the others. The minbari because it was they who created the white star fleet, while the humans have captured shadow tech (as we see later on in the season).

Yet, I thought there was an episode or two which showed the shadow vessels using jumpgate or jump point technology when Keffer first sees a shadow vessel.

I don't recall this, I DO recall Keffer was able to find his way back out of Hyperspace in season twos 'A distant star' because he noticed (both times) that the shadow ship travelled at an angle away from the jump gate. We also see in 'Matters of honour' that Shadow ships apparently don't use jump gates - The White Star comes through the jump gate but the Shadow ship chasing them appears next to it, rather than attempting to use the gate themselves.

All this seems to imply that the Shadows use a different type of jump drive that other races - possibly something that isn't compatible with standard jump technology.

(If I had to make a guess. I'd say that the jump technology used by most races is based on Vorlon technology. Given the history between the Vorlons and Shadows I would imagine that the Vorlons would have suppressed any Shadow technology after the first Shadow war. Either Vorlon and Shadow tech is intrinsically incompatible, or the Vorlons designed their jump technology to be that way. This would explain why all the races we see are using Vorlon style jump-drives (Any Shadow tech was destroyed, and those using it were presumably allied with the Shadows and wiped out in the last war), and why the Shadows don't use Jump gates.

Another thing I noticed is that while the younger races must now stand on their own, the humans and the minbari have an advantage over the others. The minbari because it was they who created the white star fleet, while the humans have captured shadow tech (as we see later on in the season).

The Minbari have always had an advantage over the other younger races as they appear to be the oldest space fairing race in B5 after the first ones. We know that their technology was significantly more advanced than Humans during the Earth Minbari war, and that they were powerful enough that the Centari never considered aggravating them.

There is also the small point that the Drak also have the advantage of Shadow technology - as presumably do any other species who were allied to the Shadows. In fact the Drak's advantage is greater than Minbari or Humans in that they both had and understood the technology better.

If we are being charitable we could conclude that the First ones were aware of this, and figured that it would even out in the long run.

Yet, I thought there was an episode or two which showed the shadow vessels using jumpgate or jump point technology when Keffer first sees a shadow vessel.

The Shadows use the same hyperspace as all of the other races, but don't need jump points or jump gates to get between hyperspace and normal space. They just seem to phase in between the two. They appear to know much about hyperspace as they were able to fire something that destabilize the retreating Narn's jump points in "The Long Twilight Struggle." Plus Delenn mentioned that The Shadows were old when even the ancients were young.

When Mollari triggers Selini's destruction, the palace shakes from the force of the explosions. However, as dramatic as this effect is, the palace is a long distance from Selini, and the shockwaves from those explosions should have taken many minutes to reach it.