You must attend ALL sessions listed in order to complete the merit badge unless session is listed as optional.

When you register for the merit badge, you are automatically registering for all sessions.

REGISTRATION INSTRUCTIONS:

Select the number of youth you are registering and then click on the green "Register" button.

Enter the PARENT or gaurdian information in the REGISTRATION CONTACT section, and the SCOUT'S information in the the Scouts BSA Youth section.  

Select the Check Out Now tab, and complete payment for the course.