The band will release 'Sun' as the second cut to be lifted from their recent album Beacon, which reached number two on the UK chart last month.
The new single precedes their upcoming UK tour, which saw the group sell over 29,000 tickets in just under four hours earlier this year.
The jaunt will culminate in a headline set at London's Alexandra Palace on April 27, which was added due to high demand.
'Sun' will be officially released on November 19 and serves as the follow-up to 'Sleep Alone'.
Watch the music video for Two Door Cinema Club's 'Sun' below: