The title "Crossing Over" has a double meaning. It refers to the plot of the episode, wherein items from 1947 crossover into 2010 time and space; and it refers to this episode being a crossover between the series Eureka and Warehouse 13.
The smoothie that Jo got just before the bullet appeared in her chest was a "Blueberry banana soy wheat grass whey protein smoothie" (to go).
International Episode Titles:
Czech Republic "Protnutí minulosti" (The intersection of the past)
Original International Air Dates:
United Kingdom September 21, 2010 on Syfy
Sweden November 13, 2010 on TV6
Czech Republic October 9, 2011 on Prima COOL