Hey smb, the AutoHop feature is available on all recorded PrimeTime events. Have you checked your PrimeTime settings to ensure that it is also set to record on Friday-Sunday? If not, below are the steps to check your PrimeTime settings:
Yes, PrimeTime Anytime can record ABC, CBS, FOX, and NBC if you're settings are set to record all 4 networks. On the same settings page from the previous steps, just check where it says "Channels to Record" and ensure the channels you want to record are selected.