At the end of the opening credits when Po lands in front of the other five, he is in front of Crane. However, when the camera goes to a close up of Po, Crane should be directly behind him, but can no longer be seen.
In the episode, Shifu's Back, Shifu screamed in pain when he tried to move, and when Po tried to help him get up. But when Shifu rang the bell, he didn't feel pain in his arms or his body. Also, he didn't feel pain in his feet when Po scratched his toes.
At the end of part 1 of the episode, Enter The Dragon, Mr. Ping left the Valley Of Peace with Po, and he didn't take anything with him. But at the beginning of part 2, he was pulling his noodle cart.
In the 2-part series finale, Emperor's Rule, Mick Wingert, who voiced Po, wasn't listed in the end credits.
In the episode, Jailhouse Panda, Po said that Tigress had a crush on Shifu when she was a teenager. But in the short film, Secrets Of The Furious Five, Shifu adopted Tigress, and she became his adoptive daughter.
In the episode, Kung Fu Day Care, Tigress tells Zan that she doesn't do hugging. But in the short film, Secrets Of The Furious Five, she hugged 2 kids at the orphanage. She also hugged Po in Kung Fu Panda 2.