Star Trek: Discovery

Season 2, Episode 4

Episode Title: An Obol for Charon

Air Date: 2019-02-07

Overview:

A mysterious sphere threatens the U.S.S. Discovery even as May, in her original form, implements a plan that puts Tilly's life in danger. Saru and Burnham's bond grows when Saru is forced to acknowledge a deeply unsettling Kelpien truth. Pike receives new intel on Spock from a loyal friend.