Watch Flight Of The Conchords Perform A New Song On 'Colbert'

Ahead of the premiere of their HBO special next month, Flight Of The Conchords appeared on The Late Show With Stephen Colbert this week for a chat and to perform a brand new song. 

After sitting down with Colbert to discuss the special and what they've been up to since their acclaimed TV series came to an end, the New Zealand duo took to the stage to perform Father & Son; check it out now.

The song will also feature on their Live In London special, to premiere on HBO on 6 October. 

Check out the full chat with Colbert below.