What is Big Baby about? That being said, there are some areas in which Big Baby shows some legitimate thematic potential. Unfortunately, this isn’t explored in much depth, and Big Baby quickly returns to lashing out at critics. ⛶⛶⛶⛶×After about forty minutes of this rant, Big Baby turns into a nonsensical, hack-em-up slasher. Big Baby Review: Spider One’s Meta Horror Is Little More Than an Annoying Rant FW Score 4 Spider One's Big Baby has an interesting villain and solid practical effects for its kills, but frustrates due to an annoying screenplay that feels more like a rant than a fully developed horror picture.