Christopher Lloyd celebrated his 88th birthday on October 22, 2026, marking a milestone number forever linked to his iconic role in Back to the Future. The actor used the occasion to reference the 1985 classic on social media, prompting a nostalgic tribute from co-star Michael J. Fox just days ahead of the October 27 release of Lloyd's new memoir, In My Own Time.

In the original film, Lloyd's eccentric inventor Emmett "Doc" Brown famously tells Fox's Marty McFly that his DeLorean time machine must hit 88 miles per hour to travel through time. According to Page Six, Lloyd leaned into the cinematic history on X, writing, "Today I turn 88…I’ve seen some serious s–t. The most serious of it all is love. I love my family, my friends, and my wonderful fans. The power of love remains."

A Timeless Exchange Between Co-Stars

Lloyd's post cleverly incorporated both Doc Brown's famous catchphrase regarding the DeLorean's speed and a nod to Huey Lewis and the News' "The Power of Love," the hit single featured on the movie's soundtrack. On Instagram, Lloyd also shared a birthday video captioned, "I told you, when this baby turns 88…"

The celebration fell one day after October 21, the date fans observe annually as "Back to the Future Day" to commemorate the day Marty and Doc travel to 2015 in the second installment. Fox, 65, quickly joined the celebration on Instagram, sharing a photograph of the pair smiling together at a restaurant table—an image that had previously surfaced in March, as reported by Yahoo Entertainment.

"Great Scott, you’re 88! That’s some serious s–t, love you! 😎," Fox wrote alongside the photo. Lloyd responded directly in the comments section, replying, "We truly are timeless. Love you friend."

Inside 'In My Own Time' and Nearly Passing on Doc Brown

The birthday exchanges arrive just ahead of Lloyd's 256-page memoir, In My Own Time, which is scheduled for publication on October 27, 2026, by Grand Central Publishing. The book examines Lloyd's childhood at Connecticut's Waveny estate, his personal family relationships, his early theater work in New York, and his decades-long screen career. In a promotional interview with TODAY.com, Lloyd reflected on his favorite Back to the Future installment, the legacy he hopes to leave behind, and how Jack Nicholson helped him on the set of One Flew Over the Cuckoo's Nest.

According to a memoir excerpt released by Hachette Book Group, Lloyd nearly turned down the role of Doc Brown altogether. At the time his agents sent him the Back to the Future screenplay, Lloyd was filming a project in Mexico City and seriously considering a return to the stage. After skimming the script, he threw it into a wastepaper basket. It was only after a friend challenged him to reconsider that Lloyd pulled the pages out of the trash, read the full screenplay, and flew to Los Angeles to meet with director Robert Zemeckis.

From Reshoots to Shakespeare: A Four-Decade Bond

The memoir also revisits the tumultuous early days of filming the 1985 blockbuster, specifically when Fox was brought in to replace actor Eric Stoltz as Marty McFly weeks into production. According to People, Lloyd admitted to having an initially "selfish" reaction to the recasting news, worrying about the prospect of repeating weeks of work they had already shot.

In his book, Lloyd recalls meeting Fox in a parking lot as they prepared to reshoot the scenes. At the time, Fox was splitting his schedule between filming Back to the Future at night and taping his hit sitcom Family Ties during the day. Lloyd noted that he admired how the younger actor handled the grueling schedule, adding that Fox's natural comic energy quickly helped him settle back into the scenes.

While their on-screen chemistry was immediate, their personal bond deepened later in the trilogy, which concluded in 1990. During a 2023 Variety Studio interview at the Sundance Film Festival, Fox explained how their friendship evolved while shooting the final installment.

"Chris is a great guy. He’s very enigmatic," Fox said at the time. "It took me a few films to get to know him. On Back to the Future Part III we connected in a way we hadn’t on the other films. I came to see how much he loved acting. I never got that before."

Fox praised Lloyd's ability to communicate a great deal of story in a brief performance and recalled sitting down on set to discuss theater and Shakespeare. "To sit down and talk about acting, and talk about Shakespeare and King Lear…This guy can play King Lear! People don’t expect that of him. He’s full of surprises," Fox added.

Frequently Asked Questions

When does Christopher Lloyd's memoir come out?

Christopher Lloyd's 256-page memoir, titled In My Own Time, is scheduled for release on October 27, 2026, through Grand Central Publishing.

What does Lloyd cover in 'In My Own Time'?

Beyond his famous Hollywood roles like Doc Brown and his work on One Flew Over the Cuckoo's Nest, the book details his childhood at Connecticut's Waveny estate, his family dynamics, and his foundational years working in the New York theater scene.

How did Lloyd's view of Michael J. Fox evolve during the 'Back to the Future' trilogy?

Although Lloyd initially worried about having to reshoot weeks of scenes when Fox replaced Eric Stoltz in the original 1985 film, he was quickly won over by Fox's comic energy and work ethic while balancing Family Ties. By the filming of 1990's Back to the Future Part III, the two forged a deep personal friendship bonded by their shared passion for acting and classical theater.

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