Watch Ruthless Aggression Season 1 Episode 4 Online

Seeking “The Next Big Thing,” WWE finds Brock Lesnar. He becomes an in-ring monster — and a master of Ruthless Aggression behind the scenes. Follow Brock Lesnar’s meteoric rise in WWE and get the full story behind his controversial and headline-making decision to abruptly leave in 2004 — at arguably the pinnacle of his young career — to pursue endeavors outside sports-entertainment. Relive Lesnar’s rise to the top, rivalries with The Rock and Hulk Hogan and his decision to depart WWE for eight years.