Oops (S04E10)

Casper lands the role of Captain Haddock in a significant American film, thanks to Vibeke Windeløv. Meanwhile, Mia and Frank’s relationship faces challenges as a series of mishaps unfold, including a mishap in a bicycle taxi, an unexpected overnight stay at a stranger's place, and the unconventional use of a wet wipe for dishwashing, leading Mia to want to resolve the water trap issue. During this time, Casper encounters his unknown half-brother for the first time, and both the half-brother and the water trap play a pivotal role in shaping Casper's future in the U.S.