Clarkson was seen as a liability and his contract wasn't renewed after he assaulted his producer. That shouldn't mean that he can't work for the Beeb on other projects including HIGNFY.
All guest hosts are booked to boost viewing figures. Clarkson was, apparently, booked ages ago and the...
I always think Clarkson looks very uncomfortable on HIGNFY (and QI) although certainly not the only guest or presenter to do so I suspect that he will be made even more uncomfortable on 24 April, which should make for good TV.
They (HIGNFY) can get away with a guest presenter being ridiculed.
Clarkson has previously said that Top Gear could only be done on a non commercial channel as all the commercial ones wouldn't want them slagging off potential advertisers.
That episode when they accidentally drove into May's car. Classic. And that other episode then they accidentally drove into May's car. Classic. And that other episode then they...