Simplify the following text for a Grade 9 native English-speaking person.
Original: It lasted only one season with 50 episodes ( 51 episodes were actually written , but 50 were produced and aired ) , and starred Ryan Gosling , replacing Ian Bohen from the pilot movie as the title character .
Simplified: It lasted only one season with 50 episodes , and starred Ryan Gosling , replacing Ian Bohen from the pilot movie as the title character .