PerezHilton.com has exclusively learned that Spencer got banned from the set after getting into an argument with an executive producer who physically assaulted Heidi from behind!
The same producer who assaulted Heidi also allegedly demanded that Spencer punch his sister in the face before the episode 12 finale to give it that "Snooki" effect.
Even worse, when Heidi complained about being assaulted, the exec producer apparently lied about the whole incident happening.
And when Heidi offered to take a lie detector test to prove she was pushed from behind, they still refused to listen!
Looks like Speidi might soon take legal action against the rough producer as they feel The Hills has become an unsafe working environment.
[Image via Michael Carpenter/WENN.]