Plot: Sketches include "The Vice Presidential Debate," "The Lawrence Welk Show," "The Wall Street Bailout," "Nightclub Flirting," "Extreme Activities Competition" (Digital Short), "Mary Poppins," "Sioux City News 3," "Mark Wahlberg Talks to Animals," "Pretending To Be Gay," and "The Less Provocactive Songs of Katy Perry. " The Killers performed "Human" and "Spaceman