Another little known fact is that Channel 4 is planning to bring the show back soon with a long initial series in mind, they're serious about it, and is looking for a suitable replacement for Bob with a couple of replacements in mind.
About twelve years ago or so, I did a bit of mini cabbing as a second job. I picked Bob Holness and his wife up from somewhere around Hatch End and dropped them at the college on Harrow on the Hill. He was very dapper and polite. He didn't tip though.