Complex sentence: This episode focuses on Jack's attempt to convince Liz to hire film star Tracy Jordan (Tracy Morgan) as part of the cast of "The Girlie Show"; and the crew's reactions to the addition of Jordan.
Split into simpler sentences: This episode focuses on Jack trying to get Liz to hire a film star, named Tracy Jordan (Tracy Morgan), as part of the cast of "The Girlie Show". It also highlights some of "The Girlie Show" crew's reactions to the addition of Jordan.