If the services involve providing a website from which a user can receive “webcasted” transmissions over the Internet: “Broadcasting (radio programs, television programs, multimedia programming, etc.) via the Internet, in Class 38.”

If the services consist of providing a particular online show “webcasted” over the Internet: “Entertainment, namely a continuing [indicate type, e.g., variety, news, comedy] show broadcasted over the Internet, in Class 41.”

via TMEP.