My oyster card's magnetic strip stopped working so I got a replacement, but I've lost the history on the new card. I would like to check the last few days of my touching in and out history. I've been told that this can be done online, on the TFL website. Is this true?
Only, I think, if you had previously registered the card. However, the TFL website does have plenty of info - best check it out yourself. http://www.tfl.gov.uk/
You can only see your journey history online if you have both registered online and topped it up on line.
And I fear you may not be able to see what happened on the old card anyway - they tend to disable the card when it's replaced, and that's all the on line status will tell you.