Adam Ruins A Plate of Nachos is the first episode of Season 3 of Adam Ruins Everything.
Adam ruins his friends' nachos party by explaining how guacamole export to the US is run by Mexican drug cartels, how bacon is popular only due to the meat industry's 1980s marketing ploy, and how the corn industry is killing the world.
- Rodrigo Canales as Himself
- Don Fanelli as Jersey Guy
- Joey Garza as Avocado Farmer
- Mike Lane as Stoph
- Sarah Jane MacKay as Corn Farmer
- Mauricio Mendoza as Cartel Kingpin
- Kassia Miller as ADM Scientist
- Christopher Murray as Rusty Butz
- Roel Navarro as Tio Manuel
- Daniel Riordan as Bob Autry
- Adam Sartain as Beef Guy
- Mike Starr as Butcher
- Ester Steinberg as Jersey Girl
- Lou Wilson as Blais