Cobie Smulders, Josh Radnor and How I Met Your Mother co-star Alyson Hannigan in 2013.

Call her legend – wait for it – dirty.

The co-creator of the hit sitcom How I Met Your Mother, Craig Thomas, was shocked to discover on his podcast last week that Cobie Smuldersgot pretty naughty on his set.

Cobie and Josh Radnor, who played love interests Robin and Ted on How I Met Your Mother, were talking to Crag on his podcast How We Made Your Mother, when Cobie decided to make a spicy revelation a little over 51 minutes into the episode.

“Josh and I had quite a few intimate scenes, and so I would try to, as much as humanly possible, before we would roll, whisper something to Josh that was just extremely inappropriate,” she said.

Her co-star eagerly confirmed this, specifying that she’d usually do this while they were filming “post-coital scenes”.

“I felt, as a good scene partner, I should lay out what the moment before was. And typically it was what we just did. And usually it was sexual,” Cobie explained.

Ted (Josh........

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