While there is no episode 157 for the animated series Cédric, it is likely you are looking for information on the final episode of the show, which is Episode 156. The series originally concluded its run with 156 episodes total. Cédric (Animated Series) Finale Overview Final Episode Number: 156. Total Seasons: 3.

Cedric (over his shoulder, smiling): "To find that Shaymin again. After 40 years… I think I’m finally ready to say hello one more time."

Comic Book Continuity: Unlike the TV show, the Cédric comic books created by Raoul Cauvin and Laudec are still ongoing, with over 35 volumes released. Many fans look to these latest albums, such as Trop tôt pour toi, gamin! (2022), to see the "true" progression of Cedric's life.

You can find this episode and others from the series on the following platforms:

of this post to be more nostalgic, or perhaps add a section on the best moments from the previous seasons? Cédric | The Fandub Database | Fandom

Is it:

The finale focuses on a pivotal transition—presumably the end of the school year and the looming threat of change. Without venturing into spoiler territory, the episode splits its time between Cedric’s usual desperate attempts to impress the object of his affection, Chen, and a more melancholic undercurrent involving his relationship with his father.