There is a plethora of online videos on Bioinformatics.  Here are some useful links you may follow:

What is Bioinformatics? 5:34 min

Bioinformatics: What? Why? Who? 6:56 min.

Introduction to Bioinformatics 41:54 min.

Basic Bioinformatics Concepts for Beginners – Learn from The Expert 26:22 min.

Top 10 FREE Bioinformatics Online Tools You Must Know 12:22 min.

Bioinformatics Skills & Knowledge Every Researcher Must Know 13:42 min.

Top Programming Languages Every Bioinformatician Must Know 21:47 min.

Want To Make A Career in Bioinformatics? 14:33 min.

Reasons Why You Shouldn’t Study Bioinformatics 9:05 min.

3 of the Best Reasons of Why You Should Study Bioinformatics 7:50 min.

Genomic Technologies and Bioinformatics 57:35 min.

Introduction to Next Generation Sequencing 4:00 min.

The Truth About Next Generation Sequencing (NGS) 1:17:21 hr.

Next Generation Sequencing 1: Overview 31:25 min.

Single Cell Sequencing 24:36 min.

Introduction to epigenetics 12:49 min.

Epigenetics 11:58 min.

Epigenetics 8:41 min.

RNA-Seq Read Mapping 6:02 min.

Read Mapping 10:07

Mapping Reads to a Reference Genome 27:30 min.

Fundamentals of Genome Assembly 51:09 min.

 

See Lessons/Tutorials in Bioinformatics

See Books in Bioinformatics