There’s a sci-fi trope (is that the right word?) about another planet on the same orbit as Earth only it’s directly behind the Sun so we’re unaware of it. Often the planet is a similar to our own and explorers who visit it learn important lessons about stuff and things.
A bunch of us comics-related nerds meet at a certain pub in Birmingham on the last Saturday of each month and have done for about 9 years. The other day Dan and Phil, two of our gang, happened to be in said pub and noticed something very similar. Turns out another bunch of comics-related nerds are meeting in the same pub at the same table on the second Saturday of every month and both bunches were completely oblivious to the existence of the other.
Contact has been established. A tentative program of cultural exchange has been mooted. We shall see what we shall learn.
Dopplegangers from Sealab2021…..is it the same thing as the one u listed