FCEUX
4-4->5-1: 6.157
8-4->ending: 6.157
ending->start: 18.420
start->A-1: 6.173
total:
Both Endings/All Stages: 6.157 + 6.157 + 18.420 + 6.173 = 36.907
New Game Beat D.4/All Stages: 8x (6.157 + 6.157 + 18.420) + 6.173 = 4:12.045

POWERPAK (timed using vdub, prob not as exact as blubbler timing) ~goofy
4-4->5-1: 1.764
8-4->ending: 1.764
ending->start: 5.350
start->A-1: 1.783

NESTOPIA (timed using vdub, prob not as exact as blubbler timing) ~goofy
4-4->5-1: 5.824
8-4->ending: 5.824
ending->start: 17.383
start->A-1: 5.817

WIIUVC (timed using vdub, prob not as exact as blubbler timing) ~goofy
4-4->5-1: 3.820
8-4->ending: 3.820
ending->start: 4.233
start->A-1: 3.820