Meri Brown also tells PEOPLE where she stands with Christine and Janelle Brown, the latter of which she has "conversations on occasion" that are "nice"

On this week's episode of Sister Wives, Kody, 55, spoke with his wife Robyn Brown, 46, about how her older daughters were interested in finding a church to join. Although he was supportive of the girls finding the right church for them, he wanted to make sure they weren't joining a "culty" institution.