‘Merlin’: Series 5 Episode 7: ‘A Lesson in Vengeance’ Trailer –
by Debs Hunt
debs@insidemediatrack.com
![](https://insidemediatrack.com/wp-content/uploads/2012/11/2836122-low-merlin-vrs.jpg)
Watch the next-time trailer for ‘Merlin‘ – series 5 episode 7 below…