The duo, who played married couple Amy Pond and Rory Williams during Matt Smith's era of the show, are set to look back on their experiences with special guests, as well as rewatch episodes from their era.
While the date of the first episode hasn't yet been confirmed, the pair launched the show with an Instagram account, and a brilliantly chaotic video, with Darvill explaining: "We're going to be doing some chatting."
"And drinking tea," Gillan added. "Telling stories..."
"And reminiscing," Darvill went on. "And generally having an absolutely lovely time."
Darvill first confirmed news of The Pondcast during an interview with Radio Times last year. At the time, he pointed out: "We really get on and we catch up quite often, and we had such a good time [on Doctor Who].
"It was so long ago and we've forgotten so much that happened, but it was such a formative thing, that we feel now that we're able to look back and celebrate it."
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He added: "I've not seen half of it, so we're going to rewatch it and talk about it. We've recorded a few episodes already and it's really fun. It is just me and Karen messing around so I'm not quite sure how many new facts you'll get, but it's really nice to kind of go back and reminisce about it."
As for how he feels about watching the episodes back? "I'm slightly nervous, but also, because it was so long ago, it feels like a different person. So I feel ready to to watch some stuff. I've seen a lot of it, but there's some episodes I've never seen. So it will be a complete surprise."
He also confirmed that former showrunner Steven Moffat will appear as a guest on the series – so watch this space (and time!).
Darvill and Gillan first appeared in the season 5 episode The Eleventh Hour (in 2010) and remained on Doctor Who until their heartbreaking exit in The Angels Take Manhattan (in 2012).
But, could their reminiscing about the series make them consider another turn on the show?
At the time of our interview, Darvill told : "We all joke with each other because we're all still good mates, like 'Maybe this year we'll be back'. I like the idea that when we're really old we'll go back. I presume it's going to go on forever.
"But yeah, if the scripts were right – it was so funny when we left, we all were like, 'No, never going back. It was too good. We don't want to ruin it.' But now I think we've kind of gone off and done our own things.
"And reminiscing is dangerous at times, but you kind of look back and go, well, it was really formative, and the most fun I've had on almost anything, really. I think it would be silly to rule it out."
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