[['series', 'title', 'directed by', 'written by', 'original air date'], ['1', 'dream house / ufo encounter', 'allan kroeker', 'will dixon / james nadler', 'september 28 , 1996'], ['2', 'possession / man out of time', 'john bell / allan kroeker', 'james nadler / larry raskin', 'october 5 , 1996'], ['3', 'reptilian revenge / ghostly voices', 'giles walker / allan kroeker', 'will dixon / richard oleksiak', 'october 12 , 1996'], ['4', 'creeping darkness / power', 'john bell / allan kroeker', 'david preston / gerald wexler', 'october 19 , 1996'], ['5', 'free fall / presence', 'milan cheylov / john bell', 'larry raskin / ian weir', 'october 26 , 1996'], ['6', 'the infestation / human apportation', 'giles walker / john bell', 'damian kindler / denise fordham', 'november 2 , 1996'], ['7', 'the underneath / phantom limb', 'milan cheylov / allan kroeker', 'robert c cooper / sherman snukal', 'november 9 , 1996'], ['8', 'the transient / two lost old men', 'giles walker', 'damian kindler / ian weir', 'november 16 , 1996'], ['9', "ufo duplication / clara 's friend", 'marc voizard', 'robert c cooper / will dixon', 'november 23 , 1996'], ['10', 'the hunter / the healer', 'john bell', 'damian kindler / larry raskin', 'november 30 , 1996'], ['11', 'the curse / angel on a plane', 'marc voizard / ken girotti', 'will dixon / ian weir', 'january 18 , 1997'], ['12', "anasazi cave / devil 's triangle", 'marc voizard / ken girotti', 'sherman snukal / damian kindler', 'january 25 , 1997'], ['13', 'the undead / the stalker', 'clay boris', 'will dixon / alex pugsley', 'february 1 , 1997'], ['14', 'the forbidden north / reincarnation', 'ken girotti', 'damian kindler / peter aykroyd', 'february 8 , 1997'], ['15', 'the greenhouse effect / the buzz', 'clay boris', 'damian kindler / sherman snukal', 'february 15 , 1997'], ['16', 'the light', 'milan cheylov', 'will dixon', 'february 22 , 1997'], ['17', 'the 13th floor / the believer', 'clay boris / craig pryce', 'jean hurtubise / damian kindler', 'april 12 , 1997'], ['18', 'the fog / house on garden street', 'clay boris', 'robert c cooper / chris dickie', 'april 19 , 1997'], ['19', 'second sight / chocolate soldier', 'milan cheylov', 'sherman snukal / will dixon', 'april 26 , 1997'], ['20', 'fire within / fate', 'aaron schuster', 'richard oleksiak / damian kindler', 'may 3 , 1997'], ['21', 'death at sunset / collision', 'ross clyde', 'jeremy hole / sherman snukal', 'may 10 , 1997'], ['22', 'perestroika', 'giles walker', 'will dixon', 'may 17 , 1997']]
both April and May have the same number Of Episode aired
both [ENT] and [ENT] have the same number [ENT] aired