The BAU profiles a serial killer who takes families hostage and lives with them as a father figure during what is supposed to be their family vacations.
In Steel Toe Amputation, Adam and Jamie test steel toe boots ability to protect from heavy objects. In Bottle Blast Off, the Build team fills soda bottle and watch it lift off, testing Newton's third law.
Cartman suffers from a mysterious and sudden on-set of the disease, Gingervitus. Sick and tired of being ripped-on because he now has red hair, light skin and freckles, he rallies all ginger kids everywhere to fight against discrimination.