Complex sentence: Despite not being as well versed as the men in geek culture, Penny has shown attention to what each of her friends likes, although she still remains dismissive of them: during a Christmas episode, Penny gives Sheldon a signed napkin autographed by Leonard Nimoy.
Split into simpler sentences: Despite not being as well versed as the men in geek culture, Penny has shown attention to what each of her friends likes. For instance, during a Christmas episode, Penny gives Sheldon a signed napkin autographed by Leonard Nimoy.