The first season of the Malayalam-language version of the Indian reality television series Bigg Boss was telecast on Asianet from 24 June 2018 to 30 September 2018, lasting 99 episodes.

Bigg Boss Plus was aired on Asianet Plus and shows part of the day that wasn't included in the episode, from 'wake-up call' to 'lights out'.

The show aired its grand finale on 30 September 2018, declaring Sabumon Abdusamad as the winner of the first season, while Pearle Maaney was the runner-up.

Aadya Pranayam Ente Jeevitham Musical Chair Walked Evicted Dwandha Yudham Secret Task Luxury Goal Mookhabhinayam Rasakkoottu Sanga Nritham Nyaaya Vidhi Sundari Neeyum Sundaran Njanum Vijaarana Mounam Udaaryam Amma Malayalam Thattukada Panja Gusthi Bicycle Race Pakal vs Iruttu Shaktiman Bigg Boss Awards Adimakkannu Bogg Boss Brother's Kadha Prasangam Fogg Sugandhangal Bigg Boss Karannavar Chakravyuham Kadhayile Thaaram Ennile Njan Walked Bigg Boss Bahirakasha Kendram Manichithrathazhu Navarasangal Adithettiyal Padayottam Malsara Changala Azhukkine Aliyichu Kalayuka Mokshanam Veekshanam Kanamarayathu Kabaddi Kabaddi Task 1: Moonnaamura Task 2: Cheliyile Maanikyam Task 3: Karakkum Kanakku Task 4: Thengakola Task 5: Thattilkutti Dosa Kadha Thudarum Maxo Bowling Nerolac Vallam Kali Koottu Kettal Naatturajavu Olichukali Elluriraja Paadaam Namukku Paadaam Ningalaanu Thaaram Aaranayal Veshappakarcha Unnathangalil Thapobalam Kudathile Maanikyam T-Shine Brahmanda Chithram During the final week, the public vote for who should win Bigg Boss.

The finalists for the title were as follows: Aadaam Paadaam Madhurikkum Ormakal Kalippaavakal Bigg Boss Naatturajyam Veeranmare Munnott Aparan Official ratings are taken from BARC India.