01:17Monster Loving ManiacsSeries 1InvincibleCBBC Duration: 11 minutes Fri 5th Apr 2024, 01:17 on Non-stop CartoonsAvailable for yearsWatch nowArthur bestows Ernest with a medallion that will make him invincible.GenresChildren'sBrandMonster Loving ManiacsSeriesMonster Loving Maniacs: Series 1 Source: BBC Online