Trama

The Atlantis team decides to attack the numerous ships of the Replicators, with the help of uneasy alliances.

This episode begins with the premise that the Replicators are looking for human inhabited planets and wiping out all life. The theory being that, if they kill all humans in existence, the Wraith would eventually die out, having no humans to feed on. Obviously those on Atlantis are not happy with this and so decide upon a course of action to use two Earth ships, equipped with Asgard heavy-beam weapons, to wipe out the Replicator ships one by one, putting an end to the Replicators. Initially, this plan works, whereby in quick succession seven Replicator ships are destroyed. The Replicators respond by recalling their fleet to orbit their own planet (thinking that their combined numbers will enable them to fend off any attack from the two Earth ships). Col. Carter realizes that it would be foolhardy to send two Earth ships alone to take on over 30 Replicator ships (even with their superior weaponry, the Earth ships would eventually be destroyed). To improve their odds, they forge an alliance with the Wraith and the travelers (whom Col. Sheppard encountered earlier in the season) who agree to send their own ships to battle with the Earthlings. Meanwhile Dr. McKay concocts a plan to create a Replicator whose purpose, once beamed down to the Replicator Colony, is to attract all other Replicator building blocks to it, thus forming a HUGE BLOB. The other part of his plan is to overload the ZPMs on the planet, thus blowing up the HUGE BLOB, destroying the Replicators. This episode features some of the biggest space battles ever seen in the Stargate Universe. It is great to see different ships from different races all working/fighting together against a common enemy. It's also great to see the Asgard weaponry being used with such devastating effect. For many, 'Be All My Sins Remember'd' is seen as the best episode of Season 4.—Abu Pasha

Having found a means to track and locate all of the Replicator ships, the Daedalus and the Apollo have some success destroying their enemy's ships but the rest of the Replicator fleet returns to their home world for safety. McKay tries to devise a device that will allow them to destroy all Replicator technology but it will be necessary to engage the fleet while McKay hacks into the Replicator technology. In order to augment their fleet, they approach the Wraith and the nomadic people Sheppard had recently encountered and who are led by Larrin. In order to complete his device, McKay has to create his own replicated being, who he calls F.R.A.N. (Friendly Replicator ANdroid). It doesn't quite go off as planned however.—garykmcd

This episode begins with the premise that the Replicators are looking for human inhabited planets and wiping out all life. The theory being that if they kill all humans in existence, the Wraith will eventually die out, as they have no humans to feed on. Obviously those on Atlantis are not happy with this and so decide upon a course of action to use 2 Earth ships, equipped with the Asgard's heavy beam weapons, to wipe out the Replicator ships, one by one and put an end to the activites of the Replicators. Initially, this plan works, whereby in quick succession, 7 Replicator ships are destroyed. The replicators respond by calling their fleet back to orbit their own planet, where they feel that their (safety in numbers) course of action will enable them to fend off any attack from the 2 Earth ships.

Col. Carter and Co. realise that it would be foolish to send 2 Earth ships alone to take on, over 30 Replicator ships, as even with their superior weaponry, the Earth ships would eventually be destroyed. To even the odds, they forge an alliance with the Wraith and the travellers (that Col. Shepherd encountered earlier in the season), who agree to send their own ships into battle with the Earthlings, to assist in the destruction of the Replicator ships and their colony.

Meanwhile Dr. McKay concucts a plan to create a replicator whose purpose, once beamed down to the Replicator Colony, is to attract all other replicator building blocks to it, thus forming a HUGE BLOB. The other part of his plan is to beam down and overload the ZPMs on the Replicator planet, thus blowing the HUGE BLOB up and destroying the Replicators. The plan pretty much works out, with some minor modifactions.

This episode features some of the biggest space battles ever seen in the Stargate Universe and is great to see different ships from different races all working/fighting together, against a common enemy. Its also great to the Asgard weaponry being used to such devastating effect.

For many, 'Be All My Sins Remembered' is seen as the best episode of Season 4.