Weird Science (1994)

S4E11 By the Time We Got to Woodstock

Title: By the Time We Got to Woodstock Plot: When Gary and Wyatt express a desire to travel through time, their dream takes a disastrous turn, landing them in 1969 alongside Lisa. After half a year in this era, they discover that Lisa has lost her memory and believes she's a free-spirited hippie heading to Woodstock. Determined to restore her memories and escape the '60s, the trio sets off on a cross-country road trip. Joined by Chett, they encounter various adventures along the way—including a surprising meeting with a future president.