This is a variant on "Pants".
Basically, post the titles of famous fictional things, with "on a llama farm" added for humourous effect.
Some starters:
The Battle of Five Armies On A Llama Farm
Gone with the Wind on a Llama Farm
Harry Potter and the Prisoner of Azkaban on a llama farm
Beowulf on a llama farm
Gulliver's Travels On A Llama Farm