What is Cross-over?
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Cross-overs largely involve time travel and interdimensional travel to meld two different fandoms.
I was confused when Dr. Gregory House was treating Harry Potter's illness, but I soon realized that I was merely reading a cross-over.
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Random Words:
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when you on the line with a friend and they say hold on, and your on the line for a long ass time. then you notice they forgot about you..