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http://en.wikipedia.org/wiki/Tent-pole_(entertainment) 
Tent-pole (entertainment)
From Wikipedia, the free encyclopedia
The term tent-pole refers to a broadcast programming or motion picture expected to hold up (as is the function of a tent pole) and balance out the financial performance of a movie studio or television network. In the movie business, tent-poles are sometimes widely-released initial offerings in a string of releases and are expected by studios to turn a profit in a short period of time. Such programming is often accompanied by larger budgets and heavy promotion.[1] An example of this strategy in television is to schedule a popular television program alongside new or unknown programming, in an attempt to keep audience viewers watching after the flagship program is over; a prominent example is the long-running Star Trek franchise.[2]
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