Heroes

On this Monday's unique Heroes episode, viewers will be taken into the past.

We'll enjoy a look back at various characters, prior to when they got involved in the story lines that dominate their current lives.

In the video preview below, take a look at four scenes from the episode:

• Linderman and Arthur discuss Nathan;
• Elle speaks to Sylar (or Gabriel, really);
• Nathan confronts Arthur in front of Angela and Peter;
• Angela and Arthur celebrate their 41st Anniversary party.