Season 4 is the fourth season of Epic Rap Battles of History. Pre-production began in August 2014 after Nice Peter returned from his summer tour. This season consists of twelve battles, one being released every Monday for the first half of the season, and every other Monday for the second half of the season. It premiered on November 10th, 2014, and concluded on August 3rd, 2015. The Season 4 polls are located here.
- Ghostbusters vs Mythbusters (46) (Premiere)
- Romeo and Juliet vs Bonnie and Clyde (47)
- Zeus vs Thor (48)
- Jack the Ripper vs Hannibal Lecter (49)
- Oprah Winfrey vs Ellen DeGeneres (50)
- Steven Spielberg vs Alfred Hitchcock (51)
- Lewis and Clark vs Bill and Ted (52)
- David Copperfield vs Harry Houdini (53)
- Terminator vs Robocop (54)
- Eastern Philosophers vs Western Philosophers (55)
- Shaka Zulu vs Julius Caesar (56)
- Jim Henson vs Stan Lee (57) (Finale)
Cast and guests
- Nice Peter (46, 47, 48 (voice only), 51, 52, 53, 54, 55, 56, 57)
- EpicLLOYD (46, 47, 48 (voice only), 49, 51, 52, 53, 54, 55, 57)
- Zach Sherwin (46, 55, 57)
- Chris Gorbos (46)
- Mark Douglas (46)
- Walter Downing (46)
- Mary Doodles (46)
- Chris Alvarado (46)
- KRNFX (46, 55)
- Hannah Hart (47)
- Grace Helbig (47)
- Dan Bull (49)
- Lauren Flans (50)
- Nikki Jenkins (50)
- Wax (51)
- Ruggles Outbound (51)
- Rhett McLaughlin (52)
- Link Neal (52)
- MC Jin (55)
- Timothy DeLaGhetto (55)
- DeStorm Power (56)
- Dodger (46)
- Taylor Cu (body double) (46)
- David Thornhill Jr. (49)
- Atul Singh (50)
- Nice Peter (50 (voice only))
- EpicLLOYD (50, 56)
- Michelle Maloney (52)
- Mike Betette (52)
- Sam Macaroni (52)
- Josie Ahlquist (53)
- Tony Clark (53)
- Dante Cimadamore (53)
- Lauren Francesca (53)
- Arnold Schwarzenegger (54)
- Klarity (56)
- Mary Doodles (57)
- Forrest Whaley (48, 54)
- Sean Willets (48)
- Zach Macias (48)
Season 4 CD
- Main article: Epic Rap Battles of History Season 4 CD
- This is the first season to have:
- guest rappers as title characters in the premiere.
- Zach Sherwin in both the premiere and finale.
- a completely animated battle, in this case with Lego.
- a third-party rapper in both the premiere and finale.
- at least one specific location in every battle.
- This is the first season to not have:
- a Vader vs Hitler battle.
- a holiday-themed battle.
- George Watsky.
- Nice Peter as the last rapper of the season finale.
- any ERB Karaoke videos since season 1.
- a United States President as a rapper.
- a non-fictional musician or a musical artist as a title rapper.
- a battle that is less than two minutes.
- This season is tied with season 5 for having the most female rappers, at five.
- This season has the most team battles, at four.
- This was the last season in an unofficial deal Nice Peter made with a higher-up member of Maker Studios (now Disney Digital).