- “This is the last day.”
- ―Robin Hinton to Daisy Johnson
"The Last Day" is the eighth episode of the fifth season of ABC's Agents of S.H.I.E.L.D. and the ninety-sixth episode of the series overall. It aired on January 19, 2018. It was written by James C. Oliver and Sharla Oliver and directed by Nina Lopez-Corrado.
Coulson, Johnson, Fitz, Simmons, and Deke Shaw survive the crash and reunite with May in the Zephyr. They meet Samuel Voss, an acquaintance of Deke Shaw Shaw's father. Up on the Lighthouse, Kasius punishes the inhabitants by cutting off their resources. Flint, Mack, and Yo-Yo go to retrieve the weapons hidden by Fitz and discover Kasius has released the Vrellnexians onto the lower levels. They defeat the Vrellnexians and rescue the remaining inhabitants. On the surface, the team struggle to get answers from Robin and find a machine built into the Zephyr. While Fitz and Simmons attempt to remove Johnson's inhibitor, May and Coulson find a shard of the time monolith in Voss' locker. Deke Shaw Shaw Shaw questions Voss about the shard, which belonged to his parents, and gets knocked out. Voss then tries to kill Johnson and impales Robin to prevent her from giving the team answers. Before dying, Robin is comforted by May as she reveals their history and finally tells May how to save the world, which requires Flint. In the past, May is shown taking care of Robin and encouraging Fitz to build his machine so they can travel through time.