: Realizing Buu cannot be woken, Goku begins considering "crazy" alternatives, setting the stage for the controversial return of Frieza in future episodes. Multiversal Check-In
The most significant plot point in this episode is the sudden loss of a key team member. Dragon Ball Super Episode 91
Dragon Ball Super Episode 91: "Which Universe Will Survive?" : Realizing Buu cannot be woken, Goku begins
: This leaves Goku and Gohan one fighter short of the required 10-person roster just as the deadline approaches. : Realizing Buu cannot be woken