Some weird stuff goes down on the episode "Mild Mannered." Myka is clearly affected by a device in this still from it.
Pete and Myke are after a unique device on the episode "Mild Mannered." It can turn people either good or evil.
Pete is seen here from the episode "Mild Mannered." It focuses on an item that can make human beings good or evil.

Warehouse 13 Season 2 Episode 2 Quotes

Artie: What?!
Pete: Cranky is kind of your natural state of being isn't it?
Artie: What Pleeeease?!

Leena: Now that is something I never expected to see.
Pete: Yeah, yeah, yeah, she must have found an artifact that makes her act like a girl.
Myka: mmmuaahh (makes face).