The same year he appeared in the Andres Puustusmaa-directed comedy "Rohelised kassid" alongside his brother. In 2018, he appeared in the Anu Aun directed family-Christmas film "Eia jõulud Tondikakul". Pius has also appeared in Estonian television in a number of roles, including ETV2's "Rula ja Ratas" (2013) and Eesti Televisioon's (ETV) "Aastavahetus Kinoteatriga" (2015). In 2018, he began playing the role of Martin Bamberg in the Kanal 2 television comedy series "Alo", also featuring his brother Priit, playing the role of Ricky Bamberg. Märt Pius has been in a long-term relationship with actress Saara Kadak since 2015. On 9 June 2019, Pius and Kadak married. The couple have a daughter, born on 25 March 2017, and a son, born 31 May 2020. The family currently reside in Tallinn. Both Märt and Priit Pius have been diagnosed with Diabetes mellitus type 1 and speak openly about living with the condition in order to raise awareness of the illness.