Mike the Knight is a Canadian/British animated television series created by Alexander Bar and written by Marc Seal. It currently airs on Treehouse TV in Canada, Nickelodeon and Nick Jr. in the United States and CBeebies in the United Kingdom.
There's separation, but not abandonment. In seasons 1 and 2, Mike's dad the king is away exploring but he returns full-time in season 3. In Journey to Dragon Mountain, it's reveled Squirt was separated from his family when he was a baby, but he was not abandoned.