Den and Dart
- Episode aired May 13, 2016
- TV-Y
- 11m
Mavis is sent to the dieselworks for repairs and Den is ordered to take her place at the quarry. He's nervous about working there without his best friend Dart.Mavis is sent to the dieselworks for repairs and Den is ordered to take her place at the quarry. He's nervous about working there without his best friend Dart.Mavis is sent to the dieselworks for repairs and Den is ordered to take her place at the quarry. He's nervous about working there without his best friend Dart.