The Littles (1983)

S3E3 When Irish Eyes Are Smiling

The Biggs family finds themselves in Ireland, where Dinky gets captured by a man named Mr. Finnigan, who mistakenly believes Dinky is a leprechaun. Mr. Finnigan traps Dinky in a cage and takes him to a local fair. Realizing their friend is in trouble, the Littles rush to rescue him before it’s too late.