Agatha.all.along.s01e06.familiar.by.thy.side.21... |link|

The episode deep-dives into:

The locket scene confirms that Agatha’s cruelty stems from the loss of her son, whom she accidentally killed while attempting to drain a coven that refused to heal him. This backstory, previously hinted, becomes explicit here. “Familiar by Thy Side” suggests that Agatha has been looking for Nicholas in every familiar she collects — and failing. Agatha.All.Along.S01E06.Familiar.by.Thy.Side.21...

The sixth episode of Agatha All Along , titled serves as a pivotal origin story for "Teen," officially confirming his identity as Billy Maximoff , the son of the Scarlet Witch. This episode pivots from the Witches' Road to a flashback-heavy narrative that explains how a boy from Eastview became the powerful magic user now allied with Agatha Harkness. The Reincarnation of William Kaplan The episode deep-dives into: The locket scene confirms

The trial’s final challenge: to free her familiar, Agatha must give up her most cherished possession — not her amulet or spellbook, but the locket containing a lock of Nicholas Scratch’s hair. She hesitates, cries, then shatters the locket. The Road accepts her sacrifice, and Billy is released. The sixth episode of Agatha All Along ,