How many seasons of Expedition Unknown are there?

Expedition Unknown has aired 17 seasons so far.

How many episodes of Expedition Unknown are there?

There are 162 episodes of Expedition Unknown across 17 seasons.

Where can I watch Expedition Unknown?

Expedition Unknown is available to stream on Disney Plus, Hulu, HBO Max Amazon Channel, Discovery+ Amazon Channel, YouTube TV, Philo, Discovery, HBO Max, Discovery +, Amazon Video, Apple TV Store, Google Play Movies and Fandango At Home.

What is Expedition Unknown's IMDb rating?

Expedition Unknown holds an IMDb rating of 8.2/10 from 4,534 votes.

Documentary

When Does Expedition Unknown Season 18 Come Out? Is It Renewed?

Expedition Unknown Season 18 doesn't have an official release date yet. Based on the roughly 7-month gap between previous seasons, expect it around June 2026.

IMDb

8.2/10

Seasons

Episodes

162

Diagnostics

Network: Travel Channel
Genres: Documentary, Reality, Action & Adventure
First aired: 2015-01-08
Last aired: 2025-12-10
Runtime: 48 min
Rated: TV-14

Awards 1 nomination total

Search interestRising ↗

Predictive Logic Analysis

Expedition Unknown is a cornerstone of Discovery Channel's unscripted lineup and arguably the network's most durable adventure-documentary franchise. Now in its 17th season with 162 episodes banked, the show has demonstrated remarkable longevity at a time when most cable reality programming struggles to clear five seasons. Discovery has clearly institutionalized the series — it anchors Wednesday nights at 9PM ET/PT and is packaged alongside companion shows like Expedition Files, suggesting a deliberate franchise-building strategy rather than passive renewals. That kind of structural investment from a network is one of the strongest implicit renewal signals a show can have.

The show's fundamentals are exceptionally healthy. An 8.2 IMDb rating on over 4,500 votes is unusually strong for a long-running cable reality series, indicating that the audience hasn't fatigued even after 17 seasons — a common pitfall for adventure formats. Rising search interest further supports the idea that the show is growing or maintaining its cultural footprint rather than fading. The pace of production in 2025 is also telling: two distinct season premieres in a single calendar year (June and November 2025) suggest Discovery and Josh Gates have a substantial content pipeline in place, which practically implies a Season 18 is either already in production or greenlit. No formal cancellation or series-finale announcement has emerged from any trade source.

What is Expedition Unknown about?

Expedition Unknown follows intrepid host Josh Gates as he traverses the globe in pursuit of history's most compelling unsolved mysteries and legendary tales. Each episode takes viewers on a genuine investigation into iconic stories—from lost civilizations and hidden archaeological sites to cryptids and unexplained phenomena—with Gates serving as the audience's surrogate, asking the questions viewers themselves would pose. What makes the show resonate is its balance between genuine curiosity and accessible storytelling; Gates approaches each mystery not as a showman looking for definitive answers, but as an intelligent explorer willing to follow leads wherever they take him, whether that leads to archaeological breakthroughs or humbling dead ends. The show's appeal lies in its fundamental promise: the adventure itself, not necessarily the resolution, carries the narrative weight.

The program distinguishes itself within the travel and mystery documentary space through its kinetic energy and production value. Rather than relying solely on talking heads or archival footage, Gates physically embeds himself in each investigation, climbing mountains, diving in unexplored caves, and interviewing locals who hold pieces of these larger puzzles. The tone remains grounded and respectful toward its subjects, avoiding the sensationalism that plagues lesser paranormal shows. This approach—combining legitimate investigative methodology with genuine adventure—has made Expedition Unknown feel like a premium travel experience rather than pure spectacle.

The series has sustained a devoted following over its seventeen-season run, evidenced by its strong IMDb rating of 8.2 and its longevity on the Travel Channel. Viewers consistently praise Gates' charisma and authenticity, as well as the show's willingness to present evidence thoughtfully rather than manufacture drama. It occupies a sweet spot in the documentary landscape, appealing to both casual adventure seekers and those genuinely interested in historical mysteries and archaeological investigation.

Expedition Unknown has become a flagship program for the Travel Channel, representing a template for prestige adventure programming on cable. Its cultural footprint extends beyond typical genre audiences; the show has earned respect from both mainstream viewers and documentary enthusiasts who appreciate its intellectual rigor. With seventeen seasons and 162 episodes produced, it stands as one of cable's most durable and consistent series, proving there remains genuine appetite for intelligent, globe-trotting storytelling that honors both entertainment and investigative substance.

Themes

treasure hunt

Is Expedition Unknown renewed or cancelled?

Working toward renewal

high

Two full seasons premiered on Discovery in 2025 (June and November), signaling active, high-volume production commitment

Source

high

17 seasons and 162 episodes of proven longevity — Discovery's longest-running adventure franchise

high

Franchise packaging with companion show Expedition Files indicates strategic network investment, not just passive renewal

Source

medium

Strong IMDb rating of 8.2 — exceptionally high for a long-running cable reality series

medium

Rising Google search interest trend

Working against it

medium

No formal renewal announcement confirmed in trade press

low

Cable/linear network environment continues to shrink audiences industry-wide

Expedition Unknown Season 18 Release Date

Given that Season 17 aired as recently as November–December 2025, a potential Season 18 would most likely premiere in mid-2026, consistent with the June premiere pattern established for prior seasons. Discovery has shown a willingness to air multiple seasons per year, so a fall 2026 window is also plausible if production moves quickly. Without an official renewal announcement or production schedule from Discovery, pinpointing the exact window is difficult, but a return sometime in the first or second half of 2026 is the most reasonable expectation based on the show's historical cadence.