The Simpsons reaches end of an era as major change announced / What happens when 'The Simpsons' join 'Monday Night Football'? Find out during Bengals-Cowboys / The Simpsons save Cowboys from being left out of Monday Night Football game against Bengals / The Simpsons set to feature British star in 'one of the largest guest roles ever' / The Simpsons voice actor retires after voicing beloved character for 35 years / Voice behind top Simpsons character quits after 35 years on hit show / The Simpsons showrunner shares perfect response as original star quits after 35 years / Milhouse voice actress retires from The Simpsons / Pamela Hayden, longtime 'Simpsons' voice actor, including Bart's friend Milhouse, hangs up her mic