In 'Digressions,' when pulled into the future and then sent back with her memory intact, Kelly rejects Ed's offer of a second date. When Kelly realizes this will result in the destruction of Earth, she races to bring her would-have-been crewmates together and undo this alternate timeline. In 'Artifacts,' Ed's old astro-archeology teacher puts the Orville in danger when he leads them into a hazardous system after a fleet from a lost civilization. Realizing that the professor hasn t been entirely forthright, Ed must uncover the truth if the Orville is to survive this perilous endeavor.