Episode name:

The Wedding Squanchers

Season: 2

Episode: 10

Air date: October 4, 2015

Characters:

Rick Sanchez, 

Morty Smith, 

Summer Smith, 

Beth Smith, 

Jerry Smith, 

Arcade Alien, 

Birdperson, 

Boobloosian, 

Courier Flap, 

Donna Gueterman, 

Galactic Federation President, 

Gar Gloonch, 

Garblovian, 

Kozbian, 

Larva Alien, 

Lil B, 

Mr. Goldenfold, 

Mr. Poopybutthole, 

Pat Gueterman, 

Photography Cyborg, 

Scropon, 

Scrotian, 

Shimshamian, 

Squanchy, 

Tammy Guetermann, 

Tophat Jones, 

Traflorkian, 

Wedding Bartender, 

Arbolian Mentirososian,