Perfect Peter's Pen Pal is the sixth episode of Series 2.
Perfect Peter's perfect pen pal Super Sammy comes to stay, but is he really Super, or just downright Slimy? Is he as sweet and innocent as he makes out?
Perfect Peter's perfect pen pal, Super Sammy, comes to stay, but it is yet to be determined wether he is Super or just downright Slimy. Horrid Henry was going to find out, In the episode Sammy gets him into trouble and things get even worse, he cleaned Henry's room. Peter thought he was his best friend since he tries to steal Peter's stamp album and he explains everything. Before Sammy makes his escape, Mum caught him red-handed, subsequently sending him home to France with his parents. In the end, Peter reminds that Helpful Hans coming to stay next week and says he's his best friend in the whole wide world, but Henry wasn't happy and says "Oh no, Not again."
- Henry is seen holding a toy of Roly Mo from The Fimbles and its spin-off, The Roly Mo Show. Roly Mo appears again in the form of a snowglobe in Horrid Henry Says Goodbye. He is also mentioned in Horrid Henry Goes to the Movies, where Prissy Polly says "Hold on a Roly Mo." Roly Mo can appear as he, along with the two shows he appears in, were produced by Novel Entertainment, which also produces the Horrid Henry TV series.
- Sammy complains that Henry is blocking the TV, even though it isn't on.