Horrid Henry's Wedding is the forty-fourth episode of Series 1.
- When Mum tells Henry off for ruining Paul and Polly's wedding, her lips were pink, but in the next shot, her lips are plain, just like her original appearance when she's normal.
- When Mum taps Henry on the shoulder at the end, Henry's suit is blue like the original one that Fluffy destroyed, not pink.
- In this episode, Peter says that Polly is his favourite cousin. But in Horrid Henry Eats Out, he says that Stuck-Up Steve is his favourite cousin. This could hint that Peter loves everyone in the family.