Podcast Risks and Hazards.

10 of the best Rick and Morty facts:

Rick and Morty and Disney's Gravity Falls share the same multiverse. In the Gravity Falls episode “Society of the Blind Eye” Grunkle Stan’s coffee mug with a question mark, pen, and notebook are sucked into a portal that supposedly will open a gateway to countless new worlds. You can see these items pop out of one of the portals during the episode of rick and Morty “Close Rick-counters of the Rick Kind.”  
  https://www.dailydot.com/parsec/rick-and-morty/ 

Rick and Morty are based on Doc Brown and Marty Mcfly From back to the future.

In “Close Rick-counters of the Rick Kind,” one of the Mortys looks like Eric Stoltz. Eric Stoltz was originally cast as Marty in Back to the Future, but was replaced with Michael J. Fox during production. http://www.factinate.com/things/36-rickdiculous-rick-morty-fact/

Ricks burping habit was originally a recording blooper.
http://mentalfloss.com/article/501995/12-fascinating-facts-about-rick-and-morty

Fans started a petition in 2016 to convince Adult Swim to green light the production of a feature-length movie.
http://www.factinate.com/things/36-rickdiculous-rick-morty-fact/

In every interstellar or multiverse episode there is always the same blue and pink alien in the background at some point.
https://moviepilot.com/posts/3725696

The cartoons theme tune is a combination of Doctor who and Tintin's.
https://9gag.com/gag/aW8ryeq/fun-facts-about-rick-morty

There's a Morty-Mabel and a Morty-Dipper at the Citadel of Ricks Based on the cartoon Gravity Falls. 
http://www.dorkly.com/post/82918/8-schwifty-easter-eggs-from-the-rick-morty-season-3-premiere

The show is based on Bi-Polar disorder. Rick , the manic depressed side to it and Morty, the calm collected however frustrated side to it.
http://www.thethings.com/15-awesome-things-you-didnt-know-about-rick-and-morty/

Jerry was meant to be a serious character however due to the actors voice he turned into a wimpy character.
http://www.thethings.com/15-awesome-things-you-didnt-know-about-rick-and-morty/