How to Be a Serial Killer/Funny

"Mike: You alright, Bart? Bart: Yeah. Mike: Good. Can't tell with you sometimes. Bart: Nah, I'm having tons of fun."
 * The entire self-help seminar part, but especially when he's demonstrating different weapons with a Slasher Smile and hamtastic voice.
 * Following a murder, Mike and Bart take the victim's dog to an animal shelter:


 * Made all the better that the last line is delivered completely deadpan.
 * 'I'm not a Doubting Thomas!'
 * The entire 'How fucked are we?' conversation.
 * 'Did he just call his dog a cunt?'