The effect of “Alien Hypno” that removes 1 A-Counter from the monsters controlled through its effect and the effect that destroys the controlled monsters when the last A-Counter is removed do not start a Chain.
The effect of “Alien Hypno” that takes control of an opponent’s monster with A-Counter(s) can be activated multiple times during the same turn.
The effect of “Alien Hypno” that takes control of an opponent’s monster with A-Counter(s) targets the selected monster, both when the monster is selected and as long as the selected monster remains on the field.
If you take control of your opponent’s monster with “Alien Hypno” and “Skill Drain” is activated, control of the selected monster is returned to the opponent. If “Skill Drain” is later negated or removed from the field, the selected monster is returned to your control.
If you take control of your opponent’s monster with “Alien Hypno” and afterwards “Alien Hypno” is flipped face-down, every monster that you are controlling with “Alien Hypno’s” effect is returned to your opponent.
If you take control of your opponent’s monster with “Alien Hypno” and afterwards the selected monster is flipped face-down, the selected monster is returned to your opponent.