Did the writers just capture the entirety of nihilism in a single one-minute opening sequence? 

Reading about existentialism led me to reach a point where I understood the difference between someone who is happy, and someone who isn’t. 

This scene is from Rick and Morty S01E09.

E03: To be is to do - Onward

Writer, comedian and self-proclaimed philosopher, Kunal Rao, takes his favourite scene, dialogue or moment from film, music or print, and explains why it was his favourite bit. A collection of insightful audio essays, the podcast is discerning, existential, and yet personal, as Kunal shares instances from his own journey, showing how popular culture can teach us the best of lessons when we least expect it. 
"My Favourite Bit - Lessons from popular culture" 
You can find him on social media at @kunalrao