Slipping is the third song of Act III of Dr. Horrible's Sing-Along Blog. After using his Freeze Ray to hold Captain Hammer frozen in time, Dr. Horrible begins his evil takeover with his evil laugh. The first part of the song is directed towards the immobile Captain Hammer, and then Dr. Horrible turns to address the crowd at the homeless shelter. He also directly sings/speaks to Hammer Groupie #1, a guy with a camera, and a reporter. Throughout the song, he surveys the room but fails to notice Penny slinking along the wall and eventually hiding behind some chairs. Finally, just as Horrible is about to kill Hammer with his Death Ray, the Freeze Ray begins to power down.