1. Episode 1
Aired: 5/1/2026
Even before the meeting, the TXT members were busy practicing diaper changes and simulating how to hold a baby. However, instead of the baby himself, the first to arrive is a childcare diary from Yu Jun's mother. While the members are busy studying Yu Jun's habits and the detailed parenting notes, ding-dong! The doorbell rings, and Yu Jun finally toddles into the house.