Badi Dooooor Se Aaye Hai" revolves around an extraterrestrial family's quest to find their eldest son, 2015, lost on various planets. The story unfolds as their spaceship crashes in a jungle on Earth, leading them to adopt human forms to navigate society discreetly. The Ghotala family, consisting of Vasant, Varsha, Sharad, and their sons Hemant, Shishir, and later Samar, faces challenges adjusting to human customs in Sunshine Colony. Initially perceived as weird, they gradually earn acceptance due to their kind and selfless nature.Amid their Earthly sojourn, the Ghotalas discover their unique superpowers, such as healing, telepathy, and far-sight seeing. They embark on special missions, including saving lives, rescuing lost family members, and preventing Earth-threatening events.

Sumeet Raghavan:

 Plays the character of Vasant Ghotala, also known as 9211. He is Sharad's brother, Varsha's husband, and the father of Samar, Hemant, Shishir, and Girishma. Additionally, he is Maakhan's grandfather. Vasant is prone to making mistakes and often corrects Hemant (also known as -426) for language errors, occasionally resorting to physical gestures when Hemant blunders. Known for his superpowers like Power Transfer, High-Speed Rotation, Body to Object Transformation, and Magnetic Strength, Vasant is a central figure in the storyline from 2014 to 2016

Rupali Bhosale:

Portrays Varsha Ghotala, also referred to as 1721. She is Urvashi's daughter, Vasant's wife, Sharad's sister-in-law, and the mother of Samar, Hemant, Shishir, and Girishma. Varsha is also Maakhan's grandmother. She admires Hemant for his intelligence and becomes upset when others criticize him. Vasant often corrects her idiomatic expressions. Varsha possesses superpowers such as Extensibility and Contractibility, contributing to the narrative from 2014 to 2016.

Vinay Rohrra:

Takes on the role of Sharad Ghotala, known as 87 Square. He is Vasant's brother, Anna's husband, and the uncle of Samar, Hemant, Shishir, and Girishma. Sharad develops a crush on Anna and envies Manav. Known for his superpowers including Telepathy, Hypnotizing, Mind Reading, and Body Transformation, Sharad is featured prominently in the storyline from 2014 to 2016.

Bhavna Khatri:

Portrays Anna D'Souza Ghotala, Ronnie's sister, and Sharad's wife. Raised by Liza and Ronnie, Anna is proficient in various languages and customs. She offers advice to the Ghotalas during human functions and expresses disbelief when someone makes a mistake. Anna initially has conflicted feelings between Manav and Sharad but eventually chooses Sharad after Manav's alien identity is revealed. Her character is active in the narrative from 2014 to 2016.

Amit Dolawat:

Plays Samar Ghotala, also known as 2015. He is Vasant and Varsha's eldest son, the brother of Hemant, Shishir, and Girishma, and the husband of Sonachandi. Samar's character is known for adoring Sonachandi and displaying romantic gestures. His superpowers include Far-Sight Seeing, and he was captured by 1313. Samar's storyline is prominent in the year 2016.

Punit Talreja:

Embodies the character of Hemant Ghotala, also known as -426. He is Vasant and Varsha's second son, the brother of Samar, Shishir, and Girishma, and Heeramoti's fiancé. Despite being a bit naive, Hemant has a kind heart. His superpowers include Healing, Invisibility, and Handi-craft Making. Hemant's character is active in the narrative from 2014 to 2016.

Sujay Bagwel:

Portrays Shishir Ghotala, also known as 225. He is Vasant and Varsha's youngest son, the brother of Samar, Hemant, and Girishma. Shishir is characterized as cute, helpful, and clever, possessing superpowers such as Live Capture and Video Player. His role is significant in the storyline from 2014 to 2016.

Vindhya Tiwari:

Takes on the character of Sonachandi Yadav Ghotala, Daulat's elder daughter, Heeramoti's sister, Samar's wife, and Maakhan's mother. Sonachandi respects Vasant and Varsha and is willing to go against her father for them. She adores Samar and displays romantic affection. Despite her perceived lack of intelligence and poor cooking skills, Sonachandi's character is an integral part of the narrative in the year 2016.

Prema Mehta:

Embodies the character of Heeramoti Yadav, Daulat's younger daughter, Sonachandi's sister, and Hemant's fiancé. Heeramoti is portrayed as equally naive as Hemant and Bhairavi, often asking questions after every statement. Her character is active in the storyline from 2016.

Rajesh Kumar:

Plays the role of Daulat Ram Yadav, Sonachandi and Heeramoti's father, and Maakhan's grandfather. He owns a dairy farm and has a fondness for milk and milk products. Daulat Ram recites examples related to milk in various situations. He often taunts Vasant, adores women, and is portrayed as being in love with Varsha. Daulat Ram's attempts to separate Varsha and Vasant create additional conflicts in the narrative. His character is prominently featured in the year 2016.

Runav Shah:

Portrays Maakhan Ghotala, Samar and Sonachandi's son. Maakhan possesses the power of communication and object control. He frequently contacts his parents, grandparents, and others for communication purposes. Runav Shah also made a cameo appearance as Laal Singh in 2014 to promote his show "Tu Mere Agal Bagal Hai." Maakhan's character is introduced and becomes prominent in the year 2016.