Found - in a storm of laughs!
Someone's got a zoo loose!
A KNIGHT LOST IN THE DARKNESS LOOKING FOR THE LIGHT.
HORRORS AND HOWLS! (original poster- all caps)
HOT ON THE TAIL OF ZOOMING MYSTERY DISCS IN A SPECTACULAR SERIAL ADVENTURE!
AMERICAN SCIENTIST BATTLES MAN FROM MARS IN STRANGEST STORY EVER TOLD!
A 1000 to 1 howler!
THE ACE OF ALL G-MEN BATTLES DESPERATE CRIMINALS!
Thrills! Chills! Laughs!
WITS AND COURAGE AGAINST OUTLAW CUNNING! (original poster-all caps)
HE BLASTS the BANDITS! (original ad - almost all caps)
TERROR STALKS THE WILD YUKON TRAILS! (original poster-all caps)