Regarding the opposite sex  they re on a steep learning curve. In every other sense  they re geniuses. Join physicists Leonard Hofstadter (Johnny Galecki) and Sheldon Cooper (Jim Parsons) as they ponder black holes  chemical deviations  girls  and other mysteries of the universe in all 24 phenomenally funny episode of the Season Five. With Penny (Kaley Cuoco) and Leonard s relationship in uncharted terrain  Sheldon  Howard (Simon Helberg)  and Raj (Kunal Nayyar) discover that the feminine mystique is something that cannot be easily graphed or calculated. As they muddle through relationship  bugs  and romance re-launches  they also discover it s nothing a good roll of the D&D dice or a paintball tournament can t solve.<br><br>