Not a Father's Day
- Episode aired Nov 10, 2008
- TV-PG
- 30m
While Barney celebrates a pregnancy false alarm, Marshall and Lily try to figure out if it's time to have a baby.While Barney celebrates a pregnancy false alarm, Marshall and Lily try to figure out if it's time to have a baby.While Barney celebrates a pregnancy false alarm, Marshall and Lily try to figure out if it's time to have a baby.