When Manny defects to Goliath Books after an "incident" with Bernard, his ex-...
Black Books
Season 3 Episode 2: Elephants and Hens
When Bernard holds a children's themed book day in the shop, Fran bets Manny and Bernard they couldn't write a children's book over a weekend, while Bernard bets Fran back that she will have an awful time at her friend's hen party.