Thomas & Friends (1984)

S3E5 Donald's Duck

Duck is thrilled to receive his own branch line as a reward for his diligent efforts. This newfound glory leads him to brag incessantly, prompting Donald to mockingly comment that he sounds like he’s laid an egg! In response, Duck's driver and fireman decide to pull a prank on Donald, leading to a series of humorous "quacking" escapades that unfold as they execute their playful scheme.