Riley, Maya, and Farkle heads to Texas with Lucas, who has been entered in the bull riding competition at the rodeo in his hometown.
Riley gets asked to the semi-formal dance by a new boy named Charlie but is confused over what to do about Lucas. Meanwhile, Senator Squirrels comes to visit!
Riley becomes upset when the boys won't let her participate in a science experiment and tries to become more involved.
The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.
