Will Ferrell drops by Stephen Colbert's post-Super Bowl 'Late Show', 'exotic animals' in tow

"The Late Show with Stephen Colbert" earned CBS's coveted post-Super Bowl slot and though the series has struggled at times to find its voice during Colbert's first five months of hosting, it set a new high-water mark for the show with a hilarious segment with Will Ferrell. 

Ostensibly on the show...