Complex sentence: The house received its most famous make-over in 1964 when it was being redressed for the premiere of the sitcom "The Munsters", the rumor being that producers spent $1,000,000 to dress the house.
Split into simpler sentences: The house received its most famous make-over in 1964 when it was being redressed for the premiere of the sitcom "The Munsters". It is rumored that producers spent $1,000,000 to dress the house.