Channel 5 viewers were all left saying the same thing as The Teacher returned for a third season. The anthology drama saw Sheridan Smith appear in series one back in 2022 and Kara Tointon lead the second series two years later in 2024. The latest instalment kicked off on Monday (March 30) evening with Unforgotten actress Victoria Hamilton as forthright drama teacher Helen Simpson, who has over 30 years of teaching experience and falls foul of her students' beliefs at an elite private boarding