is this pic from TC or TAC? i have never seen Jack and vicki in an airplane on TC

http://www.sitcomsonline.com/nickatnitetvlandpromos/threescompanyphotogallery/showgrabs/newgrabs407.jpg

Three's Company.

Thats from #170 "Cupid Works Overtime." That's when Jack first meets Vicky on the airplane and they get locked in the bathroom together.