When do harvey and sabrina get back together?
No context provided
When is the first time that Harvey and Sabrina get back together?
Season 3
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When is the second time that Harvey and Sabrina get back together?
Season 4 Episode 9
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When is the third time that Harvey and Sabrina get back together?
Season 7 Episode 22
List of Sabrina the Teenage Witch episodes
https://en.wikipedia.org/wiki/List%20of%20Sabrina%20the%20Teenage%20Witch%20episodes
Sabrina the Teenage Witch (1996 TV series)
https://en.wikipedia.org/wiki/Sabrina%20the%20Teenage%20Witch%20%281996%20TV%20series%29
Sabrina the Teenage Witch is an American television sitcom created by Nell Scovell, based on the Archie Comics series of the same name.
Sabrina the Teenage Witch (1996 TV series)
Melissa Joan Hart as Sabrina Spellman, a teenager who discovers on her sixteenth birthday that she is a witch and comes from a long line of witches.
Sabrina the Teenage Witch (1996 TV series) Cast and characters
Nate Richert as Harvey Kinkle (seasons 1–4 and 6–7, cameos in season 5), Sabrina's boyfriend in the first four seasons. He breaks up with her when he finds out she is a witch. 
Sabrina the Teenage Witch (1996 TV series) Cast and characters
They then share a nice Thanksgiving dinner with Sabrina's aunts and the Pilgrims they conjured up to do the cooking.
List of Sabrina the Teenage Witch episodes Season 4 (1999–2000)
She runs down the aisle trying to leave and she gets outside and she sees Harvey on a motorcycle. They kiss and ride away with each other and their soul stones fall and fit perfectly together.
List of Sabrina the Teenage Witch episodes Season 7 (2002–2003)
Sabrina the Teenage Witch is an American television sitcom created by Nell Scovell, based on the Archie Comics series of the same name. It features characters Sabrina Spellman and Harvey Kinkle, who have an on and off relationship throughout the series. The first time the couple gets back together is in season 3. The second time the couple start dating again is in season 4 episode 9, after which they share a nice Thanksgiving dinner with Sabrina's aunts and the Pilgrims they conjured up to do the cooking. The third time and final time they get back together is in season 7 episode 22, when they kiss and ride away together on Harvey's motorcycle.