Original sentence: Fergus made his debut in Season 7, but has not been seen or mentioned since this season.First appearing in Season 7, Murdoch has also appeared in Season 8 of Thomas & Friends.Her first appearance in the series was in the tenth season.Rosie is a purple engine who came to the Island and idolises Thomas
Edited sentence: "  However, as of now, very little is known about this episode beyond its title.Fergus made his debut in Season 7, but thankfully has not been seen or mentioned since this season.Murdoch first appeared in Season 7, and then in Season 8 of Thomas & Friends.Rosie is a purple engine who came to the Island and idolized Thomas.She was introduced to the series recently in season 10, in the episode "Thomas's Birthday Mail