From 2016 to 2018, Abrahamian appeared in five consecutive seasons of Big Brother, three times in the parent series and three times in spin-offs. He holds the record for the most time in the house at 191 days as a contestant and 194 days including the spinoffs. Abrahamian is the first HouseGuest to have twice reached the final two of the competition without winning.
''Big Brother 18''
Abrahamian was first introduced as a new HouseGuest on Big Brother 18 on June 19, 2016. Throughout his game play, Abrahamian was nominated for eviction six times. However, on three of those occasions he was removed from the block via the Power of Veto, which he won three times. He also won Head of Household three times during the season, including the final HoH when he chose to take Nicole Franzel to the finale. After 99 days and losing in the final jury vote of 5–4, Abrahamian was crowned the season's runner-up and received a total of.
''Big Brother 19''
On June 28, 2017, Abrahamian returned to Big Brother in Big Brother 19 as a swap-in contestant on the first day, resulting from a temptation accepted by another HouseGuest. Abrahamian's return to the game was met with both positive and negative reviews from critics. Throughout the season Abrahamian was only nominated for eviction once which was immediately canceled via The Pendant of Protection. He was unanimously elected by his fellow HouseGuests to face Cody in the season's 'Battle Back'. During the season he won the title of Head of Household three times and was awarded the Power of Veto five times. He also won the first round of the final Head of Household competition but lost to Josh in the final round. After 92 days and losing in the final jury vote of 5–4 once again, Abrahamian was crowned the runner up and received another prize of.
Other ''Big Brother'' related appearances
In October 18, 2016 it was announced that Abrahamian was set to return to the house in the subscription-streaming spin-off , to host a Head of Household competition. Abrahamian returned to the house on October 21 to host the fourth Head of Household competition of the season. Abrahamian appeared in the series premiere of the Big Brother spin-off Celebrity Big Brother for a special appearance during the first Head of Household competition. On June 27, 2018, Abrahamian appeared in the audience for the premiere episode of Big Brother 20 as a "nod to the shows past". He appeared on Off the Block with Ross and Marissa, a Big Brothertalk and aftershow, on August 24, 2018. Abrahamian appeared in the thirty-third episode of Big Brother 20 to celebrate the engagement of Nicole Franzel and Victor Arroyo.
Outside of ''Big Brother''
On October 25, 2016 Abrahamian appeared on the CBS show The Bold & The Beautiful. On July 9, 2017, Abrahamian teamed up with former Big Brother contestant Da'Vonne Rodgers in the series premiere of the CBS game showCandy Crush as part of a special premiere event featuring past players of Big Brother and Survivor.
