Season 7: Episode 15 - The Burning Beekeeper

The Burning Beekeeper: ­Lily and Marshall throw a housewarming party, and Lily asks her father Mickey not to ruin it. However, Mickey admits he has just started a honey business and has 10,000 bees in the basement. Things start to get even worse when Ted nearly comes to blows with Marshall’s boss, Mr. Cootes, Barney hits on a crazy divorcee, Lily makes Marshall confront Cootes about overworking him and a wheel of cheese is attacked by mice. Ultimately, the night comes to a spectacular close when Mr. Cootes runs through the house ablaze in a kerosene-drenched beekeeper’s suit after Mickey suggests he try beekeeping as a hobby.