According to Jim
Season 7, Episode 11: Pregnancy Brain
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Jim finds a way to use Cheryl's forgetfulness (a.k.a. "the pregnancy brain") to his advantage by trying to convince her that it was her idea to turn the basement into a media room instead of a room for Ruby and Gracie.
All Episodes - Season 7
Episode 1
Jim Almighty
Episode 2
The Hot Wife
Episode 3
Safety Last
Episode 4
The Perfect Fight
Episode 5
Cheryl Goes to Florida
Episode 6
Ruby's First Date
Episode 7
Period Peace
Episode 8
The Rendezvous
Episode 9
Goodwill Hunting
Episode 10
All Dolled Up
Episode 11
Pregnancy Brain
Episode 12
The Gift Certificate
Episode 13
I Drink Your Milkshake
Episode 14
The Chaperone
Episode 15
The Six-Week Curse
Episode 16
The Cheater
Episode 17
No Bedrest for the Wicked
Episode 18
The Devil Went Down to Oak Park