An early BBC iPlayer release has revealed a huge surprise in EastEnders.

During a tense birth scene, Penny Branning's baby secret gets revealed.

The identity of the baby's father is found out by someone surprising.

The twist centres on a fraught dynamic between Penny and Priya Nandra-Hart.

Viewers will be taken aback. The tension builds quickly. Penny must handle the fallout. Priya plays a key part.

The revelation alters the dynamic. Questions surround the father's identity. New details surface during the scene. Both characters are left shaken.

The episode leaves the door open. Audiences will be talking about this.