StarTrek

A virus transforms the entire crew, except Data, into prehistoric beings.

Newly arrived Dr. Pulaski deals with plague and Troi's mysterious pregnancy; Guinan counsels Wesley.

Picard encounters the leader of a civilization which communicates only in metaphor.

Lorca plans to move forward with a coup against the emperor; Burnham must make a quick decision.

Burnham and the crew are faced with the harsh reality of the war during their absence.