4x01: Home from Rome
3x09: Bentley the Robot
3x08: Lost in the Fog
3x07: Brass Band
3x05: Lost Ring
3x04: Norman's Pitfall
3x03: Halloween
3x02: Spot of Bother
2x08: Snow Business
2x06: Wishing Well
2x05: Safe with Sam
2x04: Chemistry Set
2x02: Sam's Day Off
2x01: Treasure Hunt
1x08: Telly Trouble
1x07: Lost Cat
1x05: Camping
1x04: Flat Tyre