Who knew a wedding gift would cause so much drama?
On The Big Bang Theory Season 12 Episode 2, Sheldon and Amy drove themselves crazy trying to work out what Penny and Leonard bought them for their wedding.
With the promise of it being the "perfect gift," the duo got to work to try and find out the truth.
Meanwhile, Koothrappali decided it was time for him to settle down what with all of his friends now doing the same.
That's why he turned to his father to arrange a marriage for him.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.