Complex sentence: It is the fourth installment in the "Madagascar" series and the fifth major installment in the series due to the spin-off "Penguins of Madagascar" and intended to be a first "Madagascar" film to be distributed by 20th Century Fox.
Split into simpler sentences: It is the fourth installment in the "Madagascar" series and the fifth major installment in the series due to the spin-off "Penguins of Madagascar". Or intended to be a first "Madagascar film" to be distributed by 20th Century Fox.