Complex sentence: Most of the evening's content was released in the US in 2000 on the first disc of the A&E DVD box set "The Life Of Python" and in the UK in 2004 as bonus material on the BBC's Monty Python Live at Aspen DVD.
Split into simpler sentences: Most of the evening's content was released in the US later in 2000 on the first disc of the A&E DVD box set "The Life of Python". In the UK many of the items were issued as bonus material on the BBC's 2004 Monty Python Live at Aspen DVD.