on Wed Mar 7 19:45:50 2012, in response to Re: ''The Tube'' on BBC2, episode 1 (video), posted by merrick1 on Wed Mar 7 19:13:54 2012.
I suppose you can look at it that way. The Underground goes by Zones. So Tapping out at the same station where you tapped in would be the same as traveling to any station in the same zone. It can't be the minimum round trip fare because that would technically be two trips, no?