If you are looking for an episode where paper is a central tool, you might be thinking of:
(Season 2, Episode 3), which prominently features a paper clip. [S1E17] Ruler
(Season 1, Episode 9), where MacGyver uses paper towel rolls and a corkscrew to defend against an assassin. If you are looking for an episode where
(Season 2, Episode 14), which features various household items. which features various household items.