This time it was the turn of the Hawaii team to hop on a plane as the action centered on Los Angeles.
The detectives found it hard to work together, and they found inventive ways to rile each other. For instance, Danny (Scott Caan) and Deeks (Eric Christian Olsen) poked fun at each other's signature hairdos.
Eventually, the two teams managed to co-operate long enough to stop a biochemist before she could unleash the smallpox virus on an unsuspecting public.
"Hawaii Five-0" airs Mondays at 10 p.m. ET on CBS. "NCIS: Los Angeles" airs Tuesdays at 9 p.m. EST on CBS.
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