ethan buckner is 7. >> you're going to see your dad today? >> reporter: maya matthews is 9. she and her little brother live three hours away. >> so how excited are you to see your dad? >> very. like, i can jump super high. because i'm so excited. >> you're so excited, i know. >> my dad -- >> she's here, do you want to meet her? >> reporter: maya has visited before but today is different. >> arkinia, i want you to meet maya. she heard about you. >> meeting your dad behind bars is a really big deal. >> why is it a big deal? can sit in their lap, let him hug you. he can't get up at all. >> reporter: the day before the kids arrive, the dads get a seminar on fatherhood. that's where we meet maya's father. >> what's it like waiting six months to see your kids? >> reporter: jeremiah matthews has been in and out of jail for 12 years for burglary. >> i just get scared that they're going to forget. i know my daughter forgets me. she told me that this is the last time, dad. she's like, i love you but you keep breaking promises, getting in trouble. she was 7 when she told me this. and i