Hot Tub Folliculitis
From Gomerpedia
Hot Tub Folliculitis is a 2010 science-fiction comedy about three friends who discover a hot tub time machine, but rather than having fun adventures disrupting the space-time continuum, they get infected by Pseudomonas aeruginosa instead.
Review
Dr. 99: After watching this, I'd much rather prefer Doctor Who's police telephone booth for time travel.