LOGLINE:
Shawn is called to the Natural History Museum when a mummy goes missing and all indications are that it got up and walked out on its own.

SYNOPSIS:
It's four a.m. and an alarm is going off at the Santa Barbara History Museum.  Lassiter and Juliet rush in to find that the mummy from the exhibit that opened yesterday is missing along with Hastings, the night watchman, who it turns out has a criminal record.  That, combined with the fact that the mummy, along with everything else in the museum, is of so little monetary value that the board of directors keeps postponing the overhaul of the security system, leads Lassiter to conclude this case isn't worth his time.  He's been in the papers lately because he's been trying to prove that the death of wealthy philanthropist William Wyles III was no accident, as was originally thought.  He tells Juliet to put out an APB on Hastings' car and goes to leave but Sophie, the assistant curator, insists there's more going on.  The alarm was triggered from the inside of the museum and although the security isn't top notch, nowhere on any of the footage does the culprit or the mummy appear.  She thinks there's something potentially supernatural going on and she wants the paleosleuth who discovered Zippy the Dinosaur on the case.  For once, Lassiter is happy to oblige.  So Juliet calls Shawn, who is awake and in the middle taking pictures of a married man having an affair outside a cheesy motel.  He finishes that and comes straight down to the museum where he sees fingerprints on the inside of the glass mummy case and footprints leading away from the exit door.  There is something weird going on here, he tells them.  The mummy got up and walked out.

At the police station, Interim Chief Vick tells announces she will be leaving soon.  She gave the mayor a time frame to take the "Interim" off her title and that deadline has passed.  Shawn tells her he has a feeling it will all work out then heads to the Psych office to review the security tapes from the museum.  Actually, security tape, singular.  All the cameras rotate on one feed but even so, it seems that you can't leave the museum without being caught on camera.  He and Gus head down to see if there's any way to beat the camera, but when they get there, Gus refuses to go into the mummy room – curses.  So he mans the security camera room as Shawn tests his theory.  Gus catches him every time so Shawn stops to chat up Sophie for a bit.  When he resumes, he finally shows up behind Gus in the security room, completely undetected by the cameras.  Now that they've finally figured out it can be done, Gus rushes to get out before the place closes.  But the lights go out and Shawn confesses that he asked Sophie for permission to spend the night locked in the museum.  As he was trying to crack the cameras, Shawn noticed an exhibit that looked like someone had tried to break into it, so he figured that person might come back and try again, since the night guard is missing.  Gus is freaked out and tries the door.  Shawn follows him and sees a camera on a hill outside the window.  But before he can fully process that, he gets a call from Juliet saying that Hastings was driving a loaner gray GMC pick up – exactly like the one parked outside the museum, next to the only other car out there, Gus' Echo.  He's so shocked, he drops the phone and it shatters.    Now they are possibly stuck over night with a criminal.  To get Gus' mind off it, he tells him what he discovered.  One of the cameras is titled away from a new exhibit of old pistols, one of them with a chip missing from its ivory handle, but none of them are worth stealing.  He looks into the next room over at an exhibit of a 1950s kitchen and sees that for some reason the Frigidaire is plugged in.  Shawn pulls open the door and Hastings body falls out.

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