>>282028513
They'd made sure to build up to it beforehand. Back in the Diaper Arc they had the gag where Goku shat out the alien anal probe, so the presence of aliens was foreshadowed properly.
>>NO, I DON'T WANT THAT! BULMA NOT SLEEPING WITH ANOTHER SAIYAN!? I WANT HER TO KEK ME WITH KAKAROT AND NO ONE ELSE FOR THE REST OF MY LIFE! EVEN AFTER I DIE... I WANT KAKAROT TO CONTINUE SLEEPING WITH HER FOR A WHILE! TEN YEARS, AT LEAST!