The Department of Homeland Security does recommend having a pre-packed disaster evacuation bag (it's tip #12 of their top 30 tips), containing necessary supplies for three days. While Sarah Connor may not officially recommend one, she'd likely not be opposed since she spent a fair portion of her life trying to warn people in Terminator 2: Judgment Day (1991) that Judgement Day was fast approaching.
Sheldon's slip about being denied clearance to a secret research facility may be true, as there was a secret government-funded military super-collider hidden beneath a fake agricultural station 12.5 miles southeast of Traverse City, Michigan in the Traverse City Forest Area until 1993.
Pasadena City College does exist (and offers Paralegal Studies), if you want to attend, even if Penny doesn't.
Sheldon (Jim Parsons)'s list of Catwoman actresses, from most favorite to least: Julie Newmar, Michelle Pfeiffer, Eartha Kitt, Lee Meriwether, Halle Berry.
Sheldon's shirt folder is sold at Amazon.com.