Somebody did from the IP address you seem to be using.
Either you are behind a masquerading NAT, or perhaps your ISP rotates IP addresses and somebody else was using your address the other day, or just maybe your WiFi router isn't as secure as you hoped, or...
The service neatly highlights the caveats of matching people to IP addresses.
I have a static IP, and I'm pretty sure that no-one at my home has downloaded the tv episode this service mentions. It's of course not entirely impossible that someone has hacked my wifi router, but I think that is less probable than it is for some random web service to show some made-up data.
Either you are behind a masquerading NAT, or perhaps your ISP rotates IP addresses and somebody else was using your address the other day, or just maybe your WiFi router isn't as secure as you hoped, or...
The service neatly highlights the caveats of matching people to IP addresses.