The show will be available exclusively on Discovery+ starting January 4
"I want to be a voice for the people that I love," Erin Napier tells PEOPLE
Home Town's Ben and Erin Napier Want 3-Year-Old Daughter's Upbringing to Be as 'Normal as Possible'
"We want to keep Helen away from screens until it's absolutely impossible," Erin Napier tells PEOPLE in this week's issue
Ben and Erin Napier are parents to 3-year-old daughter Helen
The actor asked Pulliam to marry him earlier this month in Atlanta with a custom diamond eternity band
The Fixer Upper star will release his new self-help/memoir hybrid in March 2021