Talk about your out of body experiences while still being in your body.
SG1 teams from all over the multi-verse (see the episode for an explaination) and converging on our own SGC as if it is the "Grand Central Station of the Cosmos"
The last time they actually give you a specific count of the number of teams, there are 16.
Once scene is beautiful with an entire room full of Carters working on the problem.
In a touching moment Dr Frasier shows up with one of the alternate SG1 teams as a member.
This episode is well worth wathcing.