tonight, comedy central’s stephen colbert (insert cheers here) and fox news’s bill o’reilly (insert boos here) are meeting head-to-head tonight. colbert will guest star on the “o’reilly factor” while o’reilly will visit “the colbert report”.

check out colbert’s segment previewing the swap here.

“the o’reilly factor” airs at 8 p.m., and “the colbert report” is on at 11:30 p.m. this is definitely must-see tv.