"Pig of the Mole People" is an episode from Back at the Barnyard from Season 2.
- Chris Hardwick as Otis
- Jeffrey Garcia as Pip
- Cam Clarke as Freddy
- Rob Paulsen as Peck
- Tino Insana as Pig
- Leigh-Allyn Baker as Abby
- Wanda Sykes as Bessy
- Dom Irrera as Duke
- Fred Tatasciore as the Farmer
- This is the first and only time that all the main characters (Minus Pig) were shown to cry.
- This is the first and only appearance of the Mole People in person.
- This is the final speaking appearance of The Farmer, in the final episode, Aliens!!!, He only said Wheeeee! While being in the bungee.
- First and only appearance of Eric The Worm.