Mystery at the Lighthouse - S1-E13
Other mistake: When Professor Oak goes to rotate his monitor, his right index finger is intermittently not coloured in. (00:09:15)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Pikachu starts jumping upon finding a lighthouse, Ash is to the right of Misty and has a glove on his right wrist, but in the next shot, he is to the left of her and has a wristband on his right wrist. (00:06:33)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Brock says, "Uh, excuse us, sir, but we're travelers and we're lost," the straps of his sleeping bag are blue, but in the next shot, they are black. Also, he is next to a picture of a Drowzee, but in the next shot, he is not. (00:07:48)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Brock says, "Yeah, and there'll be somebody to tell us where we are," the straps of his rucksack are not next to his sleeves, but in the next shot, they are. (00:06:57)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When the costume's right arm falls off, the shell is not fully coloured in. (00:12:32)
Mystery at the Lighthouse - S1-E13
Revealing mistake: As Krabby's Poké Ball begins wobbling, the light on it briefly shifts to the left. (00:04:36)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Bill asks, "Who's there?" the intercom on the doorbell changes from blue to black. (00:06:38)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When the costume's left arm falls off, the shell is not fully colored in. (00:12:33)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Ash says, "I got it," there is no doorbell on Bill's Lighthouse, but in the next shot, there is. (00:07:17)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When the doors to the lighthouse are initially opening, the placement of the Pokémon on them change between shot. (00:08:09)
Mystery at the Lighthouse - S1-E13
Continuity mistake: During the motto, James' purple belt turns white in one shot, and shortly after, Meowth's cream forepaws turn orange. (00:11:38)
Mystery at the Lighthouse - S1-E13
Continuity mistake: After Krabby's Poké Ball disappears, the white stripe on Ash's bag turns orange. (00:05:05)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Misty says that the lighthouse will probably have extra beds, her suspenders disappear, while the purple strap on her bag turns red like them. (00:06:49)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Ash is looking around for Krabby's Poké Ball after it goes from his right hand, the background is a beach at sunset, but in the next shot, it is a forest at sunset. (00:05:06)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When the Poké Ball Ash uses for Krabby indicates success, it is at a 22° angle, and there are pieces of wood on the ground, but when Ash goes over to retrieve it, it is at a 45° angle, and the pieces of wood previously on the ground have disappeared. (00:04:49)
Mystery at the Lighthouse - S1-E13
Revealing mistake: When first showing Ash and friends at the top of the lighthouse, Pikachu is floating in midair. (00:15:00)
Mystery at the Lighthouse - S1-E13
Other mistake: When the front of the Kabuto costume falls off, the part of Bill's body above his arms is missing. (00:12:34)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Bill removes a device from his pocket, the top of the device is entirely orange, but in the next shot, it is mostly black with its band being orange. (00:15:31)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When the lights in the lighthouse turn on, Pikachu's left ear overlaps Brock's bag despite being behind it. Also, the part of Ash's jacket to the right of his collar goes from white to blue. Additionally, the part of Brock's bag to the left of his head goes from present to absent twice. Furthermore, the keys on the phone go from present to disappearing. Moreover, the right side of the front of Ash's hat goes from being white to being white and red and then back to white. (00:10:08)
Mystery at the Lighthouse - S1-E13
Continuity mistake: When Ash asks Professor Oak if Krabby is all right, Professor Oak's coat goes from white to red with the pot going from brown to grey. Additionally, the background changes design between shots. Furthermore, a bowl, a ladle, and a spoon go from being present to vanishing. Moreover, the camera view goes from being aligned with Professor Oak to not with his left-hand going from being lowered to being raised. (00:08:51)
Answer: He is a good guy but just found himself in a bad situation when he worked for Lysander. He didn't want him to harm Ash and his Pokémon when he was trying to get the special bond between Ash and his Greninja to work. He does leave Lysander and go back to being a good person.