sentences:  The child characters on the show find Terrance and Phillip, who debuted in the season one (1997) episode "Death", to be hysterical, while their parents find them to be horribly offensive.An entire episode featuring the duo aired on April 1, 1998 in lieu of an episode that was supposed to continue from the show's previous episode from four weeks earlier, which ended with a cliffhanger promising to reveal the identity of Cartman's father in the show's next airing.Several fans were angered by the April Fools' Day prank, to which Comedy Central received 2,000 email complaints.