First television sitcom
Who
Pinwright's Progress
What
first
Where
UK ()
When
1946

The first television sitcom was Pinwright´s Progress (BBC, UK, 1946-47) starring character actor James Hayter (UK) as J Pinwright, owner of the smallest multiple store in the world.

The first US sitcom was Mary Kay and Johnny (DuMont 1947), domestic tales of New York newlyweds.