Wilfred Season 1 Episode 8 (08/11/11)
Wilfred wants Ryan to get Angry at his sister for treating him like shit, but Ryan won't do it. Kristen is holding a party for her boss and Ryan is called upon to help out.
After hearing that Ryan killed his favorite childhood dog Sneakers, Wilfred attempts to use that to get him mad at Kristen. Wilfred uses a Ouija Board and other paranormal strategies to convince Ryan that Sneakers has taken over his body in order to get Ryan angry.
Ryan finally unleashes his anger at Kristen, who admits that she was actually the one that killed Sneakers all those years ago. She also admitted that she actually likes Wilfred, which was his goal the entire time.