It's been 45 days since he left Pasadena, and now he finds himself in a train station in Arizona with all of his possessions – including his pants – having been stolen.
He calls Leonard to pick him up, who brings Amy with him.
Amy is hurt Sheldon left without telling her and even more hurt he didn't call her to collect him. But how will she feel when he tells her the real reason he rung Leonard instead?
Meanwhile, Penny has a job interview at Bernadette's pharmaceutical company, and Howard is unsettled by the fact Stuart is still living with his mum.
The Big Bang Theory, E4, 8.30pm
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