Nick W’s review published on Letterboxd:
Bill S. Preston, Esq. and Ted "Theodore" Logan's first outing is seen by many as a silly 80's stoner comedy where two guys use a time machine to visit various historical periods so they can pass their history class.
However, I see it as more than that. The film's core message is one of great importance, spoken by the characters themselves: "Be excellent to each other and party on dudes!" How simple is that? Treat each other right and have fun. If everyone lived their lives with this mindset, the world would be a brighter place. Bill & Ted are genuine characters and their simple views of the world can be quite insightful. Case in point is a scene where Bill & Ted talk to their future selves and afterwards Ted questions the advice of their future selves to which Bill replies: "Why would we lie to ourselves?" Keanu Reeves and Alex Winter are perfect as the duo and their enthusiasm is quite infectious.
Sure, most of it is silly and fun, but to me it conveys the idea of living life with a "chill" attitude beautifully and everytime I watch Excellent Adventure (and the sequel, Bogus Journey), it leaves me feeling light and happy.