Harry and Lloyd enter their van into a car show where their van is "dognapped...
Dumb and Dumber
Season 1 Episode 6: Movers and Breakers/To Bee or Not To Bee
Movers and Breakers: Harry and Lloyd chase after an art collection.To Bee Or Not To Bee: Harry and Lloyd come across a bee farm turned amusement park, which they believe is the headquarters for the Killer Bee gang.