This gag involved another one of my kid's favorite videos on YouTube, asdfmovie4. The series is like Cyanide & Happiness meets Rowan & Martin's Laugh-In.
TRANSCRIPTION COURTESY OF JOSEPH HOUK - [65000000 BC] (CW, stepping out of the time portal) It WORKED! MY TIME MACHINE WOR—" SPLAT! "I am a STEGOSAURUS!" [Modern-day reality – otherwise known as Cassie's kitchen] (PW) "That can't be what really happened..." (CW, drinking from her OU coffee mug) "Actually, that was part of a hilarious cartoon that I saw on YouTube! Seriously, though..."