[s4e11] Grief Today

You are likely referring to one of a few different television episodes titled or focused on "Grief" for Season 4, Episode 11: on CBS. The 100 on The CW (Episode title: "The Other Side"). Criminal Minds on CBS (Episode title: "Normal"). The Magicians on Syfy (Episode title: "The 4-1-1").

Could you please clarify which you are asking about before I provide the write-up? Watch FBI Season 4 Episode 11: Grief - Paramount+ [S4E11] Grief