Ep 1. Sidney Sings/ Diesel and the Ducklings

Thomas & Friends season 20 episode 1 is titled "Sidney Sings/ Diesel and the Ducklings." In the first segment, Sidney the Diesel Shunter is feeling down because he thinks he doesn't have a special talent like the other engines on Sodor. But when his friends hear him singing, they realize that he has a beautiful voice and encourage him to perform in a concert at Knapford Station.

However, Sidney is nervous about performing in front of a large audience. Thomas and the other engines help him practice and boost his confidence. In the end, Sidney's performance is a big success, and he realizes that everyone has something special and unique to offer.

In the second segment, Diesel is up to his usual tricks and causing trouble on the railway. He decides to play a prank on some ducklings by pretending to be their mother and leading them away from their real mother. But things quickly go wrong when Diesel loses track of the ducklings and can't find his way back to the other engines.

Luckily, Thomas and the other engines come to the rescue and help Diesel reunite the lost ducklings with their mother. Diesel learns an important lesson about the importance of taking responsibility for his actions and being kind to others.

Overall, "Sidney Sings/ Diesel and the Ducklings" is a heartwarming episode that teaches valuable lessons about self-esteem and empathy. Young viewers will enjoy watching their favorite characters work together to solve problems and learn important life lessons.