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Source: ABC/Jack Rowand

What Kind of Dog Is Colin in 'A Million Little Things'? It's a Heated Debate

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We all knew A Million Little Things was going to be an emotional rollercoaster when we signed on to watch the first season, but nothing could prepare us for Season 2. In fact, fans are calling Episode 6 the hardest to watch yet.

That's because we've all come to know and love Colin, Gary's dog, and the sweet angel goes missing. As one viewer aptly put it, "I love that so many horrible things happen to the characters on A Million Little Things so that they can overcome them but the thing that was most difficult for me/gave me the most anxiety was an episode about a missing dog."