Please list all of the episodes that aired in 2008 that have the highest number of votes for the maximum star rating.
aired in 2008 refers to air_date like '2008%'; highest number of votes refers to MAX(votes); maximum star rating refers to stars = 10
SELECT T1.episode_id FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE SUBSTR(T1.air_date, 1, 4) = '2008' ORDER BY T2.votes DESC LIMIT 1;