At the Season Two finale, the gang are being chased across the Mediterranean by the police in a hijacked wedding boat. A panicked Oz yells, "Do something, Dennis!" and Dennis finally takes issue with the fact that everybody always expects him to just "do something".
"Wayne, they think we're muggers!"
The title card at the end of the third series (at least on the DVD) reassuring viewers that the Middlesbrough Transporter Bridge was still there, and hadn't been taken apart and shipped to America. Apparently this was felt necessary after a local phoned the BBC to complain, thinking that they had actually removed the bridge (in actuality it was achieved with some very convincing visual effects).