C'mon... Why fake it?
They "kidnap" their friends, which the capture is all too cheesy and unrealistic...then somehow hold them hostage with a bag over their head while they travel internationally. So we believe they go through TSA/Customs with a hostage and bag over their head (which TSA/Customs has to visually ID you), then they get on a plane flight where they announce the location over the PA system several times, but the guy still has no idea where he is. Or they go through TSA X-Ray machines with knives strapped to their bodies. Ya, that's believable.
And somehow in every episode the rescue to safety coincidentally happens moments before their 'competitors' intercept them just as the deadline expires.
Why not just make it a formal challenge if it's supposed to be a 'competition' after all?
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When logic and science aren't on your side, you always lose.