If...

If anyone can explain to me what this is all about then feel free. Until then I am just going to sit here and laugh at what is on offer in this clip.

Shatner getting rode on!
McCoy looking completely bemused
Shatner's 'neighing'?!?
"How can you let this go?" WHAT DOES HE MEAN?!?! The neighing?!? Shatner?!? The small guy riding Shatner?!?