The Best Science TV Shows on CBS All Access

What it's about: The Big Bang Theory is centered on five characters living in Pasadena, California: roommates Leonard Hofstadter and Sheldon Cooper; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's equally geeky and socially awkward friends and co-workers, mechanical engineer Howard Wolowitz and astrophysicist Raj Koothrappali. The geekiness and intellect of the four guys is contrasted for comic effect with Penny's social skills and common sense.

Where to Watch: 5 episodes (2%) are available to watch free online (CBS). 22 episodes (8%) are available to stream on a subscription service (CBS All Access). 15 episodes (5%) are available to stream on a popular TV everywhere service (TBS). 280 episodes (100%) are available to rent or buy from $1.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: At Deep Space Nine, a space station located next to a wormhole in the vicinity of the liberated planet of Bajor, Commander Sisko and crew welcome alien visitors, root out evildoers and solve all types of unexpected problems that come their way.

Where to Watch: 175 episodes (98%) are available to stream on a popular subscription service (Netflix, Hulu & 1 other). 179 episodes (100%) are available to rent or buy from $1.99 on 5 services (iTunes, Google Play, Prime Video & 3 others).

What it's about: Under the Dome is based on the novel of the same name by Stephen King. It tells the story of the residents of the small town of Chester's Mill in Maine, where a massive, transparent, indestructible dome suddenly cuts them off from the rest of the world. With no Internet access, no mobile signals and limited radio communication, the people trapped inside must find their own ways to survive with diminishing resources and rising tensions. While military forces, the government and the media positioned outside of this surrounding barrier attempt to break it down, a small group of people inside attempt to figure out what the dome is, where it came from, and when (and if) it will go away.

Where to Watch: 40 episodes (100%) are available to stream on a popular subscription service (Prime Video & CBS All Access). 40 episodes (100%) are available to rent or buy from $1.99 on 1 service (Prime Video).

What it's about: Based on a true story, Scorpion is a high-octane drama about eccentric genius Walter O’Brien and his team of brilliant misfits who comprise the last line of defense against complex, high-tech threats of the modern age. As Homeland Security’s new think tank, O’Brien’s “Scorpion” team includes Toby Curtis, an expert behaviorist who can read anyone; Happy Quinn, a mechanical prodigy; and Sylvester Dodd, a statistics guru.

Where to Watch: 93 episodes (99%) are available to stream on a subscription service (CBS All Access). 93 episodes (99%) are available to rent or buy from $1.99 on 8 services (iTunes, Google Play & 6 others).

What it's about: An astronaut returns home from a year long solo mission in space. She tries to reconnect with her husband and son in their everyday life. Her experiences in space and home lead to events that ultimately will change the course of human history.

Where to Watch: 24 episodes (92%) are available to stream on a popular subscription service (Prime Video & CBS All Access). 24 episodes (92%) are available to rent or buy from $1.99 on 1 service (Prime Video).

What it's about: MacGyver is an American action-adventure television series created by Lee David Zlotoff. Henry Winkler and John Rich were the executive producers. The show ran for seven seasons on ABC in the United States and various other networks abroad from 1985 to 1992. The series was filmed in Los Angeles during seasons 1, 2 and 7, and in Vancouver during seasons 3–6. The show's final episode aired on April 25, 1992, on ABC. Episode ListThe show follows secret agent Angus MacGyver, played by Richard Dean Anderson, who works as a troubleshooter for the fictional Phoenix Foundation in Los Angeles and as an agent for a fictional United States government agency, the Department of External Services. Educated as a scientist, MacGyer served as a Bomb Team Technician/EOD during the Vietnam War. Resourceful and possessed of an encyclopedic knowledge of the physical sciences, he solves complex problems with everyday materials he finds at hand, along with his ever-present duct tape and Swiss Army knife. He prefers non-violent resolutions and prefers not to handle a gun, but will if necessary.

Where to Watch: 8 episodes (6%) are available to watch free online (CBS). 139 episodes (100%) are available to stream on a popular subscription service (Prime Video & CBS All Access). 139 episodes (100%) are available to rent or buy from $1.99 on 6 services (iTunes, Google Play & 4 others).

What it's about: Detective Catherine Chandler is a smart, no-nonsense homicide detective. When she was a teenager, she witnessed the murder of her mother at the hands of two gunmen and herself was saved by someone – or something. Years have passed and while investigating a murder, Catherine discovers a clue that leads her to Vincent Keller, who was reportedly killed in 2002. Catherine learns that Vincent is actually still alive and that it was he who saved her many years before. For mysterious reasons that have forced him to live outside of traditional society, Vincent has been in hiding for the past 10 years to guard his secret – when he is enraged, he becomes a terrifying beast, unable to control his super-strength and heightened senses.

Where to Watch: 70 episodes (100%) are available to stream on a popular subscription service (Netflix & CBS All Access). 14 episodes (20%) are available to rent or buy from $1.99 on 5 services (iTunes, Google Play, Prime Video & 3 others).

What it's about: CSI: Miami follows Crime Scene Investigators working for the Miami-Dade Police Department as they use physical evidence, similar to their Las Vegas counterparts, to solve grisly murders. The series mixes deduction, gritty subject matter, and character-driven drama in the same vein as the original series in the CSI franchise, except that the Miami CSIs are cops first, scientists second.

Where to Watch: 10 episodes (4%) are available to watch free online (CBS). 234 episodes (100%) are available to stream on a popular subscription service (Netflix, Prime Video, Hulu & 1 other). 234 episodes (100%) are available to rent or buy from $0.99 on 3 services (iTunes, Prime Video & Vudu).