Cartman finally understands why Heidi wants him to get to Mars.

Cartman becomes convinced that Butters wants to steal his girlfriend.

The new President-elect visits his hometown.

PC Principal plays peacemaker between the girls and the boys one more time. Meanwhile, the election results are in, and Gerald is confronted by the Troll Hunter.

An entire city in Colorado gets hacked. Gerald and Cartman may lose everything when their complete history of internet activity becomes public.

Garrison finally goes too far at a rally and reconsiders his future in politics. Meanwhile, the kids begin searching for an infamous Internet troll; and Gerald joins the opposition to a Danish campaign tracking nefarious characters on the Web.

Kyle feels guilty for the tension between the boys and the girls, but Butters brings his gender together to stand up for their rights. Meanwhile, Gerald is worried that his cover may be blown.

Gerald basks in the thrill of media attention as he continues to troll everyone.

An online troll threatens to have global implications as Cartman professes his innocence.

An American icon gives the National Anthem a reboot.