<Tr> <Td> ← Previous "Dead Bear Walking" </Td> <Td> Next → "Shawn Rescues Darth Vader" </Td> </Tr> <Tr> <Td_colspan="2"> Psych (season 5) List of Psych episodes </Td> </Tr> <P> "Yang 3 in 2D" is the sixteenth and final episode of the fifth season of Psych, and the 79th episode in the series overall . It is the third and last in a trilogy, which began with "An Evening with Mr. Yang" (3.16) and continued with "Mr. Yin Presents ..." (4.16). The episode originally aired on December 22, 2010 . Its title pays homage to the increasing number of film sequels to be released in 3 - D . </P> <P> The Yin / Yang trilogy comes to a close as Shawn and Gus race to save a woman kidnapped by Mr. Yin . Only this time, they are forced to use Mr. Yang's knowledge of Yin to solve the case by allowing her to accompany them on the investigation . </P>

Why is there a picture of yang and shawn