The Sarah Jane Adventures television series premiered on CBBC and BBC One in the United Kingdom.
Elisabeth Sladen, the lead actress who played Sarah Jane Smith, passed away, leading to the end of the series.
The final episode of The Sarah Jane Adventures aired on BBC One.
Sarah Jane Smith moves in with Maria Jackson and her family, beginning an investigative partnership uncovering alien activity.
Sarah Jane and her new friends uncover the Bane's plan to dominate Earth through an addictive food substance called Bubble Shock!
Sarah Jane discovers Luke, a genetically engineered superhuman with no memory of his origins, and he becomes part of her team.
The Trickster emerges as a recurring villain manipulating time to cause chaos, first attacking Sarah Jane's team to alter timelines.
The robotic dog K9 is handed over to Sarah Jane, becoming her companion and valuable ally in fighting extraterrestrial threats.
Clyde Langer meets Sarah Jane and immediately joins her investigations into alien phenomena.
Sarah Jane and her friends investigate mysterious events involving people stuck between life and death on the planet, revealing alien interference.
Rani Chandra moves to Sarah Jane's neighborhood and quickly becomes a core member of the investigative team.
Sarah Jane and friends face the Slitheen family, recurring alien antagonists attempting to conquer Earth again.
A last confrontation with the Trickster to correct time manipulations and prevent the destruction of Sarah Jane's world.
