Rate it!: Journey to the Far Side of the Sun (1969)...
7.5/10
Colonel Glen Ross (Roy Thinnes) and a partner go on a three-week (one-way) so it's six weeks round-trip to a planet on the exact opposite side of the Sun. Lol, it got a G-rating despite having some adult topics in it.
Well, most people are idiots with bad taste...so there!