The phrase "to see the parents" means to visit or meet the parents of someone, usually in a romantic relationship, to learn more about their family and meet the people who raised them. Full definition
We think we need to seek information from experts and somehow don't see our parents as professionals from whom we'd ever seek counsel. (pregnancy-info.net)
I often see parents who «don't know what else to do» with their child. (verywellfamily.com)
You have probably also seen parents do things that you have felt would lead to a child having unhealthy attitudes towards eating. (academic.oup.com)