Key Dates and Schedule Overview for Big Brother 20
Big Brother 20 aired in the summer of 2018 as the twentieth regular season of the long-running CBS reality series. The season ran from June 27, 2018, to September 26, 2018, spanning roughly three months. The show follows a group of contestants, known as HouseGuests, who live inside a custom-built house equipped with dozens of cameras and microphones 24/7. Each week, HouseGuests compete in challenges, nominate two players for eviction, and ultimately vote to evict one another until the final Jury vote decides the winner. The season was hosted by Julie Chen Moonves.
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Season | Big Brother 20 | Official CBS Press Materials |
| Premiere Date | June 27, 2018 | CBS Broadcast and Press Release |
| Finale Date | September 26, 2018 | CBS Broadcast and Press Release |
| Duration | About 13 weeks (92 days) | Schedule Countdown |
| Host | Julie Chen Moonves | CBS On-Air Talent Listing |
Evergreen Structure of a Typical Big Brother Season
Although this article focuses on when Big Brother 20 started, understanding the standard season structure helps contextualize future launches. Each season typically follows a consistent weekly rhythm that has remained stable for many years, from early casting calls through finale night. Knowing these repeatable patterns lets viewers anticipate what comes after the premiere, regardless of which season they follow.
Preseason: Casting, Casting Calls, and Production Announcements
Months before the on-screen launch, production opens online applications, releases location casting calls, and may hold in-person tryouts in major cities. Candidates submit video auditions, and hopefuls often track casting announcements on entertainment news sites and the official CBS casting platform. Production evaluates applicants on personality, backstory, entertainment potential, and the ability to sustain a long-form televised social experiment. These behind-the-scenes filters thin thousands of applicants into a shortlist that advances to interviews and, eventually, the selected HouseGuest roster.
Early Season: Format Rules and First Evictions
At launch, HouseGuests learn the house rules, competition structure, and voting mechanics directly from Julie Chen and through in-game orientation. The first Head of Household competition crowns the first HOH, who immediately nominates two housemates for eviction. A Power of Veto competition offers a chance to remove a nominee, which the HOH then replaces to preserve their strategy. This opening week sets the tone for alliances, rivalries, and the general social dynamics that define the season.
Midseason: Jury Start and Key Strategy Shifts
Once the Jury phase begins—usually around the ninth eviction—the game shifts significantly. Evicted HouseGuests join the Jury and, starting with Big Brother 7, the first Juror typically returns to select the Final Two. From that point, remaining HouseGuests balance staying in the house with positioning themselves as compelling finalists. Strategic voting, competition wins, and social currency become tightly interwoven as the endgame approaches.
How to Watch Big Brother 20 and Future Seasons Live
When any Big Brother season premieres, including Big Brother 20, live episodes air on CBS in the United States. Viewers can watch the weekly live feeds through the CBS All Access streaming service, which offered live feeds at an additional cost during the season’s original run. For those unable to tune in live, most episodes are available on demand through the same platform and through network apps on connected devices. Check local listings for channel numbers and time zone adjustments to ensure you never miss the live eviction.
| Viewing Option | Details | Source Type |
|---|---|---|
| CBS Broadcast | Weekly live episode in each time zone | Official CBS Schedule |
| CBS All Access Live Feeds | Optional 24/7 in-house live streaming (where available) | Platform Terms and Pricing Page |
| On-Demand Episodes | Full episodes available after live airing | CBS Streaming Platform |
| International Licensing | Local broadcasters may carry the show with regional delays | CBS Global Distribution |
Competition Structure and Key Mechanics
Big Brother 20 followed the established template of Head of Household, Power of Veto, and nominations, with a Jury deciding the winner. Understanding these evergreen mechanics makes it easier to follow any season, including when Big Brother 20 started and how events unfolded. This structure keeps the format familiar while allowing each cast and strategy to feel fresh and unpredictable.
Head of Household (HOH)
The HOH is crowned each week through a multi-stage competition. As HOH, the winner gains safety for the week and the sole power to nominate two HouseGuests for eviction. HOH strategy often revolves around balancing target strength with personal alliances to avoid becoming a consistent threat or a perceived pawn.
Power of Veto (PoV)
The Power of Veto competition is won by one of the six housemates: the HOH, the two nominees, and three randomly selected players. The PoV winner can choose to remove a nominee from the block, and the HOH must then name a replacement nominee. The PoV adds a layer of risk management and can dramatically shift weekly dynamics.
The Jury and the Finale
Beginning with the Jury phase, evicted HouseGuests vote for the winner during live finale episodes. The final Jury question-and-answer segment allows finalists to persuade Jurors based on gameplay, personality, and social influence. The winner is decided by Jury vote, typically in a single-eviction finale where finalists give closing statements before the vote is tallied.
Notable Context Around When Big Brother 20 Started
Timing matters for both viewers and contestants. Big Brother 20 premiered in late June, aligning with the traditional summer reality television window. This scheduling affects viewer availability, outdoor promotions, and the overall pacing of house life due to weather and daylight. For future seasons, networks often evaluate ratings from prior seasons, production readiness, and competitive programming calendars when setting a premiere date.
Evergreen Guidance for Following Any Big Brother Season
Regardless of when a new season launches, certain practices help fans stay engaged and informed. Set expectations around live feeds, understand the difference between live episodes and weekly highlights, and follow credible entertainment outlets for casting and scheduling updates. Remember that each season is unique—even with the same format—so treat every "when does Big Brother start" search as a fresh opportunity to re-engage with the series.
- Check official CBS and casting channels for the earliest announcements.
- Use a TV listings site or app to track local CBS air times in your zone.
- Subscribe to the CBS streaming service that carries live feeds and on-demand content.
- Join moderated fan communities for discussion and rumor filtering.
- Keep an eye on show updates and changes to rules or scheduling via official press releases.
Conclusion: Using This Timeline for Future Seasons
Big Brother 20 started on June 27, 2018, and followed the series’ well-established summer schedule through a nine-week run to the finale on September 26, 2018. This article serves as an evergreen reference for understanding not only that premiere date, but also the broader cadence, format mechanics, and viewing options that apply to future Big Brother seasons. When the next call for housemates goes out, you’ll know what to expect and how to prepare for the next time the house doors open.