07/09/2012 17:19 BST | Updated 07/09/2012 17:20 BST

Dog Plays Dead - And This Week's Other Funniest Viral Videos

There's something for everyone in this week's top 10 viral video round-up. Oh, yes.

Like animals? We've got a lazy dog and a talking otter. Like TV? We've got Mad Men and The X Factor. Like people being pranked? We've got a Brazilian motorist getting his comeuppance - and Mitt Romney's speech ever-so-slightly tampered with.

So sit back, click and enjoy...