It's not just that fans should be paying close attention to this season — it's The HBO series always entertains with its shows-within-a-show.
They all «in some way comment socially,» Natasha Rothwell tells ET, but this time appears to hint even more about what's going on in .
The comedy first started regularly including a show-within-a-show on season two, with The series, starring Regina Hall and Scott Foley, was a play off of and — and Rothwell and fellow writer Ben Cory Jones wrote 13 full episodes of it.
Then, with season three, came, a '90s sitcom reboot (and Jay Ellis' personal favorite). «It reminded me of ,» he tells ET's Melicia Johnson. «That is so much of what I watched in school and then later on in college, watching reruns of
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