The first three episodes of Season 4 will launch Thursday, followed by another three on Jan. 21 and wrapping with the final four on Jan. 28. Here, EPs/co-creators Charles Rogers and Sarah-Violet Bliss talk to TVLine to tee up the “torture and psychological trauma” ahead for Dory, Susan Sarandon’s radiant guest-starring role and the return of a “thorn” in everyone’s side.