Television audiences relish seeing loving relationships develop on their screens. From the initial meeting to finally getting together – sitcoms, dramas and almost every other TV genre all utilize the romance hook to reel in their audience. But what happens when the age gap between fictional lovers makes it uncomfortable to watch? There has been no shortage of programs in TV history featuring peculiar age differences between two romantically involved protagonists. Whether it’s a questionable relationship with a much older teacher, or a love story involving a long-in-the-tooth vampire – these 20 examples of on-screen romance have been seen as age inappropriate by bothered and bewildered viewers of the box.