Final answer:
The question of whether Squidward Tentacles's friends will bring snacks to the barbecue cannot be answered with the given information.
Step-by-step explanation:
Whether Squidward Tentacles's friends are planning to bring lots of snacks to his barbecue is something that cannot be determined based on the information provided. Since this is a fictional scenario likely taken from the context of a television show or similar entertainment content, no specific details have been mentioned about the plans of Squidward's friends. Therefore, we can neither confirm nor deny if they are planning to bring snacks.