Continuity mistake: When Mr. Bean goes to get some coffee to switch with the rude man's liquid detergent, when he places the coffee down on the washing machine, you can tell it is a coffee which has milk in it. But when the man tips it into his washing machine, you can easily see it is plain black coffee. (00:10:05)
Continuity mistake: After Mr. Bean has replaced the detergent with the coffee, he takes the detergent back to his seat and you can see through the plastic cup that it is only half full. But when Mr. Bean goes to take a drink out of it when the other man gets suspicious, you can now see the detergent is almost at the top. (00:10:50)
Continuity mistake: Mr Bean goes to a launderette - Teddy ends up getting washed then found shrunk to a miniature size. Mr Bean check he's alive and puts him in his pocket. But after this episode we see teddy back to normal size with no explanation.
Answer: Don't think it was an actual programme; more likely just sounds they recorded themselves.