Plenty of episodes across two series, and I do believe that there was also a radio series. Brilliant stuff. A third series was binned in favour of The Office, a tragedy if you ask me.
I remember when this came out, some numpty posted a rant on PPRuNe about how useless the interviewer was and what disgraceful conduct in front of flight crew.
Hilarious and he got roasted for it . . . .sadly, the penny dropped several days later and he deleted it . . . .