Watch The Battle of Britain (2010) HD Full Movie Free on SolarMovie. Watch The Battle of Britain (2010) online free. 70 years after the historic struggle, brothers Colin and Ewan McGregor take viewers through the key ...70 years after the historic struggle, brothers Colin and Ewan McGregor take viewers through the key moments of the Battle of Britain, when 'the few' of the RAF faced the might of the Nazi Luftwaffe.