Fans of both 'True Blood' star Joe Manganiello and 'How I Met Your Mother' were excited to see the actor's long-awaited return in last night's "The Stamp Tramp," even if Marshall's law school chum Brad looked a bit different than we were used to. In a shocking twist, it turned out that Brad had actually been playing Marshall, and setting him up for the biggest case of his career! Will the former friends be able to work it out going head to head in court during next week's "Twelve Horny Women"? Check out the latest clip to find out!

'How I Met Your Mother' pulled quite a fast one during last night's "The Stamp Tramp," revealing that guest-star Joe Manganiello's Brad hadn't been down on his luck at all, but rather playing Marshall to gain access to his strategies in the biggest case of his life! Will Marshall be able to compete with his still-chiseled former law school friend?

According to the latest sneak peek of Monday's all-new "Twelve Horny Women" from TVGuide, Manganiello's Brad isn't above exploiting his looks to convince the jury, or even the judge! But with Marshall locked in a legal battle, what will become of the others, particularly Barney and Robin after their drunken kiss?

Check out an all-new clip from the next 'How I Met Your Mother' below, and give us your predictions in the comments!

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