Episode name:

Rattlestar Ricklactica

Season: 4

Episode: 5

Air date: December 15, 2019

Characters:

Rick Sanchez, 

Morty Smith, 

Summer Smith, 

Beth Smith, 

Jerry Smith, 

Nancy, 

Shleemypants, 

Tricia Lange, 

Slippy, 

Robot Snake, 

Snake Hitler, 

Snake Lincoln, 

Snake Resistance Robot, 

Snake Linguist, 

Snake Terminator, 

Snake Soldier, 

Snake with Legs, 

Secret Service Snake, 

Anchosnake, 

Anchosnake, 

80's snake, 

Bar Customer, 

Bartender, 

PC Basketball Player, 

Cavesnake, 

Pet Shop Employee, 

Snake Reporter, 

High Pilot, 

High Pilot,