The article deals with blended learning in the context of pre-graduate English language teacher education. Firstly, the concept of blended learning is defined, then, the attention is focused on the online component of a blend, namely on the issue of interpersonal interaction including the challenges, which learning through online networking poses. Finally, results of a small-scale research are provided to offer insights into teacher trainees´ perspective of the blended learning experience at the University of Pardubice, Czech Republic.