Eliot & Leo - S1.E18

At Latowidge Academy, Oz encounters two students named Leo and Eliot in the library, and soon gets into an argument with Elliot. Whilst trying to avoid him, Oz and Ada are captured by some Baskervilles and taken to a secret chamber beneath the school. However, luckily for the siblings, Leo and Eliot arrive to help them escape. While in the tunnel, Eliot confronts Oz, asking him why he would give himself up so easily to save someone else, saying his sadness would just be placed on the ones he leaves behind.