Ralph Dineen is the 9 year old son of Paige Dineen and Drew Baker. Despite his genius, he has a very weak social skills, he's very shy and extremely quiet, talking mostly to his mother. However, appearance of Walter and team Scorpion in his life helping him to become much more social, interactive and more like a child.
Appearances
Scorpion
Main cast, played by Riley B. Smith
- Episode 2x02: Cuba Libre (Sep 28, 2015)
- Episode 2x03: Fish Filet (Oct 5, 2015)
- Episode 2x04: Robots (Oct 12, 2015)
- Episode 2x07: Crazy Train (Nov 2, 2015)
- Episode 2x09: US vs. UN vs. UK (Nov 16, 2015)
- Episode 2x10: Arrivals and Departures (Nov 23, 2015)
- Episode 2x11: The Old College Try (Dec 7, 2015)
- Episode 2x12: Dam Breakthrough (Dec 14, 2015)
- Episode 2x13: White Out (Jan 4, 2016)
- Episode 2x14: Sun of a Gun (Jan 18, 2016)
- Episode 2x15: Da Bomb (Jan 25, 2016)
- Episode 2x16: Fractured (Feb 8, 2016)
- Episode 2x17: Adaptation (Feb 22, 2016)
- Episode 2x19: Ticker (Mar 14, 2016)
- Episode 2x20: Djibouti Call (Mar 21, 2016)
- Episode 2x21: Twist and Shout (Mar 28, 2016)
- Episode 2x22: Hard Knox (Apr 11, 2016)
- Episode 2x23: Chernobyl Intentions (Apr 18, 2016)
- Episode 2x24: Toby or Not Toby (Apr 25, 2016)
- Episode 3x01: Civil War (Oct 3, 2016)
- Episode 3x04: Little Boy Lost (Oct 17, 2016)
- Episode 3x05: Plight at the Museum (Oct 24, 2016)
- Episode 3x06: Bat Poop Crazy (Oct 31, 2016)
- Episode 3x07: We're Gonna Need a Bigger Vote (Nov 7, 2016)
- Episode 3x08: Sly and the Family Stone (Nov 14, 2016)
- Episode 3x09: Mother Load (Nov 21, 2016)
- Episode 3x10: This Is the Pits (Dec 12, 2016)
- Episode 3x11: Wreck the Halls (Dec 19, 2016)
- Episode 3x13: Faux Money Maux Problems (Jan 16, 2017)
- Episode 3x14: The Hole Truth (Jan 23, 2017)
- Episode 3x16: Keep It in Check, Mate (Feb 13, 2017)
- Episode 3x17: Dirty Seeds, Done Dirt Cheap (Feb 20, 2017)
- Episode 3x18: Don't Burst My Bubble (Feb 27, 2017)
- Episode 3x19: Monkey See, Monkey Poo (Mar 13, 2017)
- Episode 3x22: Strife on Mars (Apr 17, 2017)
- Episode 3x23: Something Burrowed, Something Blew (May 1, 2017)
- Episode 3x24: Maroon 8 (May 8, 2017)
- Episode 3x25: Scorp Family Robinson (May 15, 2017)
- Episode 4x01: Extinction (Sep 25, 2017)
- Episode 4x02: More Extinction (Oct 2, 2017)
- Episode 4x03: Grow a Deer, a Female Deer (Oct 9, 2017)
- Episode 4x04: Nuke Kids on the Block (Oct 16, 2017)
- Episode 4x05: Sci Hard (Oct 23, 2017)
- Episode 4x06: Queen Scary (Oct 30, 2017)
- Episode 4x07: Go With the Flo(rence) (Nov 6, 2017)
- Episode 4x08: Faire Is Foul (Nov 13, 2017)
- Episode 4x09: It's Raining Men (of War) (Nov 20, 2017)
- Episode 4x12: A Christmas Car-Roll (Dec 18, 2017)
- Episode 4x14: Lighthouse of the Rising Sun (Jan 22, 2018)
- Episode 4x15: Wave Goodbye (Jan 29, 2018)
- Episode 4x16: Nerd, Wind & Fire (Feb 5, 2018)
- Episode 4x17: Dumbster Fire (Feb 26, 2018)
- Episode 4x18: Dork Day Afternoon (Mar 5, 2018)
- Episode 4x19: Gator Done (Mar 19, 2018)
- Episode 4x20: Foul Balls (Mar 26, 2018)
- Episode 4x21: Kenny and the Jet (Apr 9, 2018)
- Episode 4x22: A Lie in the Sand (Apr 16, 2018)
Guest cast, played by Riley B. Smith
- Episode 1x01: Pilot (Sep 22, 2014)
- Episode 1x02: Single Point of Failure (Sep 29, 2014)
- Episode 1x03: A Cyclone (Oct 6, 2014)
- Episode 1x05: Plutonium Is Forever (Oct 20, 2014)
- Episode 1x06: True Colors (Oct 27, 2014)
- Episode 1x07: Father's Day (Nov 3, 2014)
- Episode 1x08: Risky Business (Nov 10, 2014)
- Episode 1x09: Rogue Element (Nov 17, 2014)
- Episode 1x11: Revenge (Dec 8, 2014)
- Episode 1x12: Dominoes (Dec 15, 2014)
- Episode 1x13: Kill Screen (Jan 5, 2015)
- Episode 1x14: Charades (Jan 18, 2015)
- Episode 1x15: Forget Me Nots (Jan 19, 2015)
- Episode 1x16: Love Boat (Feb 9, 2015)
- Episode 1x20: Crossroads (Mar 30, 2015)
- Episode 1x21: Cliffhanger (Apr 13, 2015)
- Episode 1x22: Postcards From the Edge (Apr 20, 2015)