It's always fun to have Cybill Shepherd return to Psych as Madeleine Spencer. She does so on the season five finale.
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Ally Sheedy is back! She reprises the role of Mr. Yang on the Psych season finale.
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Psych Season 5 Episode 16 Quotes

If you want redemption, then help us track down Yin and save this girl.

Gus

Looks like somebody was a bad girl and raided mommy's closet.

Shawn