I can't stop watching this. I keep waiting for one of them to mention tubes.
"There are hamsters. They run in the little tubes and carry messages and we need cheese, or fruit, or whatever they eat..."
"So if you had access to their favourite foods, you could coax them to give up their messages."
"Our intelligence services sometimes need an extra prime around eleventy-three and it's scandalous that Big Maths won't allow it"