Ayo Bjorn, the video at 1:55 is called "Beaker gets multiplied", from TV series, 'The Muppet Show' ()
Likewise, the video at 2:40 is also from 'The Muppet Show', also starring Beaker- it's called "Fireproof paper". ()
How do I know? I have a lot of spare time... Hope this helped :P