The Enterprise responds to a distress call from the planet Scalos, but when a landing party beams down, they find no living beings.
Hyperaccelerated aliens, invisible to the naked eye, take over the Enterprise.
Daniels sends Archer and T'Pol to 2004 Detroit to follow three Xindi-Reptilians who are creating a biological weapon.
Voyager encounters several supernova in a small region of space. Q soon appears and reveals that they are the after-effects of a civil war within the Q-Continuum.
Napoleon and Illya must uncover a THRUSH agent working inside U.N.C.L.E. headquarters.