Narrator: WHAT IF THIS LIFE IS ALL WE GET?
T-Rex: No worries! We still have alternate timelines.
T-Rex: And we can do all sorts of fun things in those things!
Dromiceiomimus: But what if this timeline is all we have? What if time travel never gets invented and how things go now will be forever how they went?
T-Rex: No worries! We still have ALTERNATE UNIVERSES. We can do all sorts of fun things in THOSE things!
Utahraptor: But what if this universe IS the only one there is?
T-Rex: Oh!
T-Rex: Well, there's always the chance that our best understanding of the cosmological expansion is wrong, and the universe will one day start to shrink, collapsing into a new singularity and then maybe even a new big bang, giving us a NEW universe from the remains of this one.
Off panel: And if that doesn't happen??
T-Rex: Then friend we are BONED