more than seven million episodes from seasons one to four were illegally downloaded between february and april this year as fans of the hit hbo show caught up or re-capped before its eagerly-return on sky atlantic on sunday night .
snapshot also revealed the top five tv shows illegally downloaded during the same period were period were the walking dead -lrb- 5.7 -rrb- , breaking bad -lrb- 3.8 m -rrb- , vikings -lrb- 3.4 m -rrb- and house of cards -lrb- 2.7 m -rrb- .