The smartest sitcom on TV faced a choice going into its fourth season: evolve or stagnate. Surprisingly for such a huge sitcom, Big Bang Theory did the former, increasing the female presence (a fiancée for Wolowitz, a mirror for Sheldon in Amy Farrah Fowler). No longer simply The Sheldon Cooper Show - although Jim Parsons amazing turn does still dominate - it remains the funniest multi-camera sitcom on TV.
Big Bang Theory: Season 4, The Review
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