Sidney Sings (zu deutsch: Sidney singt) ist die erste Episode der zwanzigsten Staffel.
| << Staffel 19 | Staffel 20 | Staffel 21 >> | ||||||||
| #01 | Sidney Sings | #09 | Blown Away | #23 | Cautious Connor | |||||
| #02 | Toby's New Friend | #10 | The Way She Does It | #24 | All in Vain | |||||
| #03 | Henry Gets the Express | #11 | Letters to Santa | #25 | Buckled Tracks and Bumpy Trucks | |||||
| #04 | Diesel and the Ducklings | #12 | Love Me Tender | #26 | Tit for Tat | |||||
| #05 | Bradford the Brake Van | #13 | The Railcar and the Coaches | #27 | Mike's Whistle | |||||
| #06 | Saving Time | #14 | The Christmas Coffeepot | #28 | Useful Railway | |||||
| #07 | Ryan and Daisy | #15 | Over the Hill | |||||||
| #08 | Pouty James | #22 | Mucking About | |||||||
| #16 | Henry dampft im Dunkeln | #17 | Der verschwundene Pannen-Zug | #18 | Die Geschichte vom unheimlichen Troll | |||||
| #19 | Die Lok der Zukunft | #20 | Hugo und das Luftschiff | #21 | Skiff und die Meerjungfrau | |||||