Season 4

31. The Lighthouse

32. Murders in Space

33. Marigolds, Bluebells, and Hugh

34. Moist And Magical

35. Burglary and Bobsledding

36. Toby's Secret Pocket

37. Ballet on the Battlefield

38. The Phantom of Hornchurch

39. The Grape Depression ft. Pinocchio

40. Strange Noises From The Hole In The Wall