"When I would try, he would just try to fight me," McHale recalled. "He physically wanted to fight me."
As for Chase's on-set outburst last October in which he used the N-word, McHale said it was Chase's way of protesting his character's racism, but McHale was quick to point out: "You shouldn't be throwing it around on set...When he said it, I was like, 'We are now at Defcon 1.'"
Meanwhile, Community returns for its fourth season tonight, Feb. 7, at 8 p.m. on NBC.
(E! and NBC are both part of the NBCUniversal family.)