His final scenes saw his character play the trumpet for which his youngest self was known when he left.
When she announced her departure in January, the 41 -year -old actress said she was “extremely sad” but “very excited.”
In Thursday’s episode, Sonia and her daughters Bex (Jasmine Armfield) and the newborn baby Julia, and her friend Bianca Jackson, played by Patsy Palmer, went to Bali after stealing the father of Sonia Terry Cant (Glen Davached, cars and boats
Before leaving, Sonia left Flowers for her ex -husband Martin (James Bye), who died of a heart trial after a metal ray collapsed in him after a fire in the pub Queen Vicness the Soap the Soap Anniversary Live Episode.
Then she was persuaded to jump to the boat on the back of the trailer to leave Albert Square with Bianca.
After getting into the boat, Sonia was asked if she would go to Bali, to which she replied: “Well, yes, that’s where we are going to start, Bex will find some visas and everything.”
Bianca then added before delivering his trumpet to Sonia: “I have an idea, look, for the sake of the old days as we move forward, come on, it will be a laugh. You can put it in the container when we reach Stansted.”
Sonia then reluctantly touched the instrument when the couple left Walford expelled by Bex with her friends by stirring them.
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Sonia’s departure occurred after a moving opening scene that saw her listen to a recording or her dot Branning nanny, who was played by June Brown, while packed her things.
In the recording, an emotional point could be listening: “What did that girl do to live a life of losing everything he has loved?
“I had nothing, I just wanted some to love her, take care of her, to fix her drawings on the wall.
“And I am sitting here and I am still alone, and there a light, and behind the windows, the girls are being hidden by their mummies and tell stories, and sung, and feel happy, safe and loved.
“And I’m still here, and I have to go out and face the world, and everyone who I see has someone.
“The worst part is to see them complain and fight with each other, and they don’t know what they have.”
Sonia is well known to the poor trumpet that enraged her family and the neighbors who last the first days in the soap.
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Some of Sonia’s greatest stories included that she was intimidated by her friend Clare Bates (Gemma Bissix) after she fell with the wrong crowd in school and her teenage pregnancy with the posterior husband Martin.
Cassidy made his first appearance in the soap in 1993, leaving in 2007, before returning the lyrics between 2010 and 2011, and then returned to Walford in 2014.
Palmer, who is currently a Celebrity Brother contestant of ITV, also left the program after his return last year, who saw her gathered with his father David Wicks, played by Michael French.
If you missed Sonia’s departure, you can catch up with the episode in BBC IPlayer.
