Where can I watch “Lab Rats” Season 4 Episode 5 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Bionic Dog”?

Watching earlier episodes in season 4 helps you follow the plot and character arcs leading into this episode.

Watch Lab Rats Season 4 Episode 5 Online

“Bionic Dog” — Watch "Lab Rats" Season 4 Episode 5 online in HD for free. Check streaming providers, cast, and episode details.

Apr 8, 2015 Season 4 Episode 5 22 min TV-Y7

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Lab Rats Season 4

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Season 4 Episode 5 — Aired on Apr 8, 2015 • runs about 22 minutes.

Notable cast/guest names in this episode include William Brent, Spencer Boldman, Kelli Berglund, Tyrel Jackson Williams.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Lab Rats Season 4 Episode 5 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Adam brings a dog back to the island and Douglas reveals that it's his old dog, Otis, who Douglas made bionic in order to save his life when Otis was injured. Chase turns out to be allergic to dogs as he starts sneezing, so Douglas says that Otis has to leave, but he and Adam actually hide the dog. Meanwhile, Leo gets a new smartphone application assistant named Shelly, with whom he has fallen in love.