1/2
Yes. In the middle of the showdown with the Xindi we get a Yesterday’s Enterprise-esque alternative timeline story.
If Archer’s Enterprise goes through Degra’s warp-tunnel, they’ll get stuck back in time. The descendants (making Enterprise a hands-sitting generation ship) are here to warn them. Then some new math appears.
Note: even over 100 years later, T’Pol will wear tight clothing.
