Watched on Netflix.
Poster by J.J. Lendl
 Star Trek: Discovery S02E04: An Obol for Charon by Lee Rose from IMDb
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.